[rygel-gst-0-10-plugins] Mostly whitespace fixes.

[Krzesimir Nowak <krnowak src gnome org>]

commit 467c11c6eb8d7cb96f75ecb6b4a509105f0ad201
Author: Krzesimir Nowak <krnowak openismus com>
Date:   Wed Feb 6 11:59:27 2013 +0100

    Mostly whitespace fixes.

 src/media-export/rygel-media-export-database.c |   31 ++++++++++-------------
 1 files changed, 14 insertions(+), 17 deletions(-)
---
diff --git a/src/media-export/rygel-media-export-database.c b/src/media-export/rygel-media-export-database.c
index a46902a..112adec 100644
--- a/src/media-export/rygel-media-export-database.c
+++ b/src/media-export/rygel-media-export-database.c
@@ -187,27 +187,27 @@ rygel_media_export_database_exec_cursor (RygelMediaExportDatabase  *self,
                                          GValue                    *arguments,
                                          int                        arguments_length,
                                          GError                   **error) {
-  RygelMediaExportDatabaseCursor *result = NULL;
+  RygelMediaExportDatabaseCursor *result;
   sqlite3 *db;
-  GError *inner_error = NULL;
+  GError *inner_error;
 
   g_return_val_if_fail (RYGEL_MEDIA_EXPORT_IS_DATABASE (self), NULL);
   g_return_val_if_fail (sql != NULL, NULL);
 
   db = rygel_media_export_sqlite_wrapper_get_db (RYGEL_MEDIA_EXPORT_SQLITE_WRAPPER (self));
+  inner_error = NULL;
   result = rygel_media_export_database_cursor_new (db,
                                                    sql,
                                                    arguments,
                                                    arguments_length,
                                                    &inner_error);
-  if (inner_error != NULL) {
+  if (inner_error) {
     g_propagate_error (error, inner_error);
     return NULL;
   }
   return result;
 }
 
-
 /**
  * Simple SQL query execution function.
  *
@@ -230,7 +230,7 @@ rygel_media_export_database_exec (RygelMediaExportDatabase  *self,
   g_return_if_fail (sql != NULL);
 
   inner_error = NULL;
-  if (arguments == NULL) {
+  if (!arguments) {
     RygelMediaExportSqliteWrapper* self_wrapper = RYGEL_MEDIA_EXPORT_SQLITE_WRAPPER (self);
     sqlite3* db = rygel_media_export_sqlite_wrapper_get_db (self_wrapper);
 
@@ -247,14 +247,14 @@ rygel_media_export_database_exec (RygelMediaExportDatabase  *self,
                                                     arguments,
                                                     arguments_length,
                                                     &inner_error);
-  if (inner_error != NULL) {
+  if (inner_error) {
     g_propagate_error (error, inner_error);
     return;
   }
 
   while (rygel_media_export_database_cursor_has_next (cursor)) {
     rygel_media_export_database_cursor_next (cursor, &inner_error);
-    if (inner_error != NULL) {
+    if (inner_error) {
       g_propagate_error (error, inner_error);
       break;
     }
@@ -262,7 +262,6 @@ rygel_media_export_database_exec (RygelMediaExportDatabase  *self,
   g_object_unref (cursor);
 }
 
-
 /**
  * Execute a SQL query that returns a single number.
  *
@@ -278,21 +277,21 @@ rygel_media_export_database_query_value (RygelMediaExportDatabase  *self,
                                          int                        args_length,
                                          GError                   **error) {
   gint result;
-  RygelMediaExportDatabaseCursor* cursor;
-  sqlite3_stmt* statement;
+  RygelMediaExportDatabaseCursor *cursor;
+  sqlite3_stmt *statement;
   GError *inner_error;
 
-  g_return_val_if_fail (RYGEL_MEDIA_EXPORT_DATABASE (self) != NULL, 0);
+  g_return_val_if_fail (RYGEL_MEDIA_EXPORT_IS_DATABASE (self), 0);
   g_return_val_if_fail (sql != NULL, 0);
 
   inner_error = NULL;
   cursor = rygel_media_export_database_exec_cursor (self, sql, args, args_length, &inner_error);
-  if (inner_error != NULL) {
+  if (inner_error) {
     g_propagate_error (error, inner_error);
     return 0;
   }
   statement = rygel_media_export_database_cursor_next (cursor, &inner_error);
-  if (inner_error != NULL) {
+  if (inner_error) {
     g_propagate_error (error, inner_error);
     g_object_unref (cursor);
     return 0;
@@ -302,7 +301,6 @@ rygel_media_export_database_query_value (RygelMediaExportDatabase  *self,
   return result;
 }
 
-
 /**
  * Analyze triggers of database
  */
@@ -317,7 +315,6 @@ rygel_media_export_database_analyze (RygelMediaExportDatabase *self) {
                 NULL);
 }
 
-
 /**
  * Special GValue to pass to exec or exec_cursor to bind a column to
  * NULL
@@ -328,7 +325,6 @@ rygel_media_export_database_null (GValue *result) {
   g_value_set_pointer (result, NULL);
 }
 
-
 /**
  * Start a transaction
  */
@@ -349,10 +345,11 @@ void rygel_media_export_database_begin (RygelMediaExportDatabase* self, GError**
  * Commit a transaction
  */
 void rygel_media_export_database_commit (RygelMediaExportDatabase* self, GError** error) {
-  GError *inner_error = NULL;
+  GError *inner_error;
 
   g_return_if_fail (RYGEL_MEDIA_EXPORT_IS_DATABASE (self));
 
+  inner_error = NULL;
   rygel_media_export_database_exec (self,
                                     "COMMIT",
                                     NULL,