[gnome-shell] st: Fix handling of file:// URIs in _st_theme_resolve_uri()

[Florian MÃllner <fmuellner src gnome org>]

commit 0ea8217c55de0aa1fafb0801cf651eaa16f166ef
Author: Florian MÃllner <fmuellner gnome org>
Date:   Wed Oct 17 20:42:19 2012 +0200

    st: Fix handling of file:// URIs in _st_theme_resolve_uri()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679268

 src/st/st-theme.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/st/st-theme.c b/src/st/st-theme.c
index ab7cbd0..f3b1c13 100644
--- a/src/st/st-theme.c
+++ b/src/st/st-theme.c
@@ -1034,7 +1034,7 @@ _st_theme_resolve_url (StTheme      *theme,
           g_error_free (error);
         }
 
-      return NULL;
+      return filename;
     }
 
   /* Guard against http:/ URLs */