[rhythmbox] Fix some compiler warnings

[Jonh Wendell <jwendell src gnome org>]

commit 713e54f1827839c8cbdb25ab7336d22a7f323d5c
Author: Jonh Wendell <jwendell gnome org>
Date:   Sat Jan 23 19:02:58 2010 -0300

    Fix some compiler warnings

 bindings/python/override_common.c |    2 +-
 bindings/python/rb.override       |    2 +-
 bindings/python/rhythmdb.override |    2 --
 3 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/bindings/python/override_common.c b/bindings/python/override_common.c
index 3ef9451..5242d14 100644
--- a/bindings/python/override_common.c
+++ b/bindings/python/override_common.c
@@ -303,7 +303,7 @@ _rhythmdb_query_model_sort_func (RhythmDBEntry *a, RhythmDBEntry *b, PyRhythmDBQ
 
 	if (!py_result) {
 		PyErr_Print();
-		return NULL;
+		return 0;
 	}
 	result = PyInt_AsLong (py_result);
 
diff --git a/bindings/python/rb.override b/bindings/python/rb.override
index 1f0f595..e35a462 100644
--- a/bindings/python/rb.override
+++ b/bindings/python/rb.override
@@ -1333,7 +1333,7 @@ _wrap_RBRemovableMediaSource__do_impl_get_mime_types(PyObject *cls, PyObject *ar
 %%
 override RBRemovableMediaSource__proxy_do_impl_get_mime_types
 static GList *
-_wrap_RBRemovableMediaSource__proxy_do_impl_get_mime_types (RBSource *self)
+_wrap_RBRemovableMediaSource__proxy_do_impl_get_mime_types (RBRemovableMediaSource *self)
 {
 	PyGILState_STATE __py_state;
 	PyObject *py_self;
diff --git a/bindings/python/rhythmdb.override b/bindings/python/rhythmdb.override
index 908d0f7..b55888c 100644
--- a/bindings/python/rhythmdb.override
+++ b/bindings/python/rhythmdb.override
@@ -628,8 +628,6 @@ static int
 _wrap_rhythmdb_entry_type__set_save_to_disk(PyGBoxed *self, PyObject *value)
 {
 	RhythmDBEntryType et;
-	gboolean save_to_disk;
-	int ret;
 
 	if (pyg_boxed_check(self, RHYTHMDB_TYPE_ENTRY_TYPE)) {
 		et = pyg_boxed_get(self, RhythmDBEntryType_);