[gnome-desktop/gnome-3-18] thumbnail: Ignore errors when not all frames are loaded

[Bastien Nocera <hadess src gnome org>]

commit f9b2c480e38de4dbdd763137709a523f206a8d1b
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Oct 2 15:11:38 2015 +0200

    thumbnail: Ignore errors when not all frames are loaded
    
    See https://bugzilla.gnome.org/show_bug.cgi?id=755672
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755982

 libgnome-desktop/gnome-desktop-thumbnail.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/libgnome-desktop/gnome-desktop-thumbnail.c b/libgnome-desktop/gnome-desktop-thumbnail.c
index fa1904b..cc78d93 100644
--- a/libgnome-desktop/gnome-desktop-thumbnail.c
+++ b/libgnome-desktop/gnome-desktop-thumbnail.c
@@ -549,11 +549,12 @@ _gdk_pixbuf_new_from_uri_at_scale (const char *uri,
         /* This can happen if the above loop was exited due to the
          * g_input_stream_read() call failing. */
         result = FALSE;
-    } else if (gdk_pixbuf_loader_close (loader, &error) == FALSE) {
+    } else if (gdk_pixbuf_loader_close (loader, &error) == FALSE &&
+               !g_error_matches (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_INCOMPLETE_ANIMATION)) {
         g_warning ("Error creating thumbnail for %s: %s", uri, error->message);
-        g_clear_error (&error);
         result = FALSE;
     }
+    g_clear_error (&error);
 
     if (!result) {
         g_clear_object (&loader);