[totem] grilo: Fix possible crasher with no mtime

[Bastien Nocera <hadess src gnome org>]

commit 34ab9525f65c715e38ac695e70d57966bdd2b901
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jan 14 21:34:53 2014 +0100

    grilo: Fix possible crasher with no mtime
    
    Fix crash when mtime isn't set for particular GrlMedia.

 src/plugins/grilo/totem-grilo.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/grilo/totem-grilo.c b/src/plugins/grilo/totem-grilo.c
index 1615206..4c0cd42 100644
--- a/src/plugins/grilo/totem-grilo.c
+++ b/src/plugins/grilo/totem-grilo.c
@@ -371,6 +371,7 @@ browse_cb (GrlSource *source,
                gboolean thumbnailing;
                char *secondary;
                GtkTreePath *path;
+               GDateTime *mtime;
 
                path = gtk_tree_row_reference_get_path (bud->ref_parent);
                gtk_tree_model_get_iter (self->priv->browser_model, &parent, path);
@@ -391,6 +392,7 @@ browse_cb (GrlSource *source,
 
                thumbnail = totem_grilo_get_icon (media, &thumbnailing);
                secondary = get_secondary_text (media);
+               mtime = grl_media_get_modification_date (media);
 
                gtk_tree_store_insert_with_values (GTK_TREE_STORE (self->priv->browser_model), &iter, 
&parent, -1,
                                                   MODEL_RESULTS_SOURCE, source,
@@ -399,7 +401,7 @@ browse_cb (GrlSource *source,
                                                   MODEL_RESULTS_IS_PRETHUMBNAIL, thumbnailing,
                                                   GD_MAIN_COLUMN_PRIMARY_TEXT, grl_media_get_title (media),
                                                   GD_MAIN_COLUMN_SECONDARY_TEXT, secondary,
-                                                  GD_MAIN_COLUMN_MTIME, g_date_time_to_unix 
(grl_media_get_modification_date (media)),
+                                                  GD_MAIN_COLUMN_MTIME, mtime ? g_date_time_to_unix (mtime) 
: 0,
                                                   -1);
 
                g_clear_object (&thumbnail);