[totem] main: Fix warnings about GDateTime refcounts

[Bastien Nocera <hadess src gnome org>]

commit 111a86e0f14583b4386831208f71e5d9a078d2c3
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jan 31 17:10:59 2014 +0100

    main: Fix warnings about GDateTime refcounts
    
    grl_media_get_modification_date() doesn't return a reference to
    the GDateTime, so we shouldn't unref it.

 src/totem-grilo.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/totem-grilo.c b/src/totem-grilo.c
index 1a4f509..d97f57c 100644
--- a/src/totem-grilo.c
+++ b/src/totem-grilo.c
@@ -443,7 +443,6 @@ update_media (GtkTreeStore *model,
 
        g_clear_object (&thumbnail);
        g_free (secondary);
-       g_clear_pointer (&mtime, g_date_time_unref);
 }
 
 static void
@@ -522,7 +521,6 @@ add_media_to_model (GtkTreeStore *model,
 
        g_clear_object (&thumbnail);
        g_free (secondary);
-       g_clear_pointer (&mtime, g_date_time_unref);
 }
 
 static void