[totem] main: Add sanity check to totem_playlist_clear_with_g_mount()

[Bastien Nocera <hadess src gnome org>]

commit c66215e23c8f0f876193eb7e5b31cc192ff874b6
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jul 2 20:19:14 2012 +0100

    main: Add sanity check to totem_playlist_clear_with_g_mount()

 src/totem-playlist.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/totem-playlist.c b/src/totem-playlist.c
index 6bdc3e8..287747f 100644
--- a/src/totem-playlist.c
+++ b/src/totem-playlist.c
@@ -2430,6 +2430,8 @@ void
 totem_playlist_clear_with_g_mount (TotemPlaylist *playlist,
 				   GMount *mount)
 {
+	g_return_if_fail (mount != NULL);
+
 	totem_playlist_clear_with_compare (playlist,
 					   (ClearComparisonFunc) totem_playlist_compare_with_mount,
 					   mount);