[accounts-dialog] Don't explode when we get the faces images if we try to run accoundsdialog in a prefix

[Richard Hughes <rhughes src gnome org>]

commit 7eeac9afbf32427bb86ad3c6bde505618cb09d14
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jan 22 15:05:02 2010 +0000

    Don't explode when we get the faces images if we try to run accoundsdialog in a prefix

 src/um-photo-dialog.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/src/um-photo-dialog.c b/src/um-photo-dialog.c
index 8ae0d63..e705e7d 100644
--- a/src/um-photo-dialog.c
+++ b/src/um-photo-dialog.c
@@ -363,6 +363,7 @@ setup_photo_popup (UmPhotoDialog *um)
         guint x, y;
         GDir *dir;
         const char *face;
+        GError *error;
 
         menu = gtk_menu_new ();
 
@@ -414,7 +415,14 @@ setup_photo_popup (UmPhotoDialog *um)
 #else
         y = 4;
 #endif /* HAVE_CHEESE */
-        dir = g_dir_open (DATADIR "/pixmaps/faces", 0, NULL);
+        error = NULL;
+        dir = g_dir_open (DATADIR "/pixmaps/faces", 0, &error);
+        if (dir == NULL) {
+                g_warning ("Failed to load faces: %s", error->message);
+                g_error_free (error);
+                goto out;
+        }
+
         while ((face = g_dir_read_name (dir)) != NULL) {
                 char *filename;
 
@@ -435,7 +443,7 @@ setup_photo_popup (UmPhotoDialog *um)
                 }
         }
         g_dir_close (dir);
-
+out:
         um->photo_popup = menu;
 }