[seed] Fixing some uninitialized buffer

[Alan Knowles <alank src gnome org>]

commit ade49dbc60fbecc28285063d4a95f409f241c52c
Author: Danilo Cesar Lemes de Paula <danilo cesar collabora co uk>
Date:   Mon Jan 11 13:17:46 2016 -0200

    Fixing some uninitialized buffer

 libseed/seed-builtins.c |    4 ++--
 modules/dbus/module.c   |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libseed/seed-builtins.c b/libseed/seed-builtins.c
index caaacee..6821ba6 100644
--- a/libseed/seed-builtins.c
+++ b/libseed/seed-builtins.c
@@ -38,7 +38,7 @@ seed_include (JSContextRef ctx,
 
   GDir *dir;
   gchar *import_file, *abs_path;
-  gchar *buffer, *walk;
+  gchar *walk, *buffer = NULL;
   guint i, len;
 
   if (argumentCount != 1)
@@ -126,7 +126,7 @@ seed_scoped_include (JSContextRef ctx,
   JSStringRef file_contents, file_name;
   GDir *dir;
   gchar *import_file, *abs_path;
-  gchar *buffer, *walk;
+  gchar *walk, *buffer = NULL;
   guint i;
 
   if (argumentCount != 1)
diff --git a/modules/dbus/module.c b/modules/dbus/module.c
index b43e111..2e7f3b7 100644
--- a/modules/dbus/module.c
+++ b/modules/dbus/module.c
@@ -872,7 +872,7 @@ seed_js_dbus_call(SeedContext ctx,
     DBusMessage *reply;
     DBusConnection *bus_connection;
     DBusBusType bus_type;
-    SeedValue retval;
+    SeedValue retval = NULL;
 
     if (argument_count < 8)
       {