[totem] thumbnailer: Use g_clear_object

[Bastien Nocera <hadess src gnome org>]

commit a48aa2211a3c98508fc3ad40cf0bea3d522378d7
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Mar 13 12:04:23 2013 +0100

    thumbnailer: Use g_clear_object

 src/totem-video-thumbnailer.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/src/totem-video-thumbnailer.c b/src/totem-video-thumbnailer.c
index 16c427d..48d5862 100644
--- a/src/totem-video-thumbnailer.c
+++ b/src/totem-video-thumbnailer.c
@@ -179,8 +179,7 @@ static void
 thumb_app_cleanup (ThumbApp *app)
 {
        gst_element_set_state (app->play, GST_STATE_NULL);
-       g_object_unref (app->play);
-       app->play = NULL;
+       g_clear_object (&app->play);
 }
 
 static void
@@ -656,12 +655,8 @@ capture_interesting_frame (ThumbApp *app)
 
                /* If we get to the end of this loop, we'll end up using
                 * the last image we pulled */
-               if (current + 1 < G_N_ELEMENTS(frame_locations)) {
-                       if (pixbuf != NULL) {
-                               g_object_unref (pixbuf);
-                               pixbuf = NULL;
-                       }
-               }
+               if (current + 1 < G_N_ELEMENTS(frame_locations))
+                       g_clear_object (&pixbuf);
                PROGRESS_DEBUG("Frame for iter %d was not interesting", current);
        }
        return pixbuf;