[gnome-builder] appdata: fix url

[Christian Hergert <chergert src gnome org>]

commit a0ca020c8b1e7ad9b4e2a12b24dcecb410ef9f90
Author: Christian Hergert <chergert redhat com>
Date:   Tue Mar 5 14:44:25 2019 -0800

    appdata: fix url

 data/appdata/org.gnome.Builder.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/appdata/org.gnome.Builder.appdata.xml.in b/data/appdata/org.gnome.Builder.appdata.xml.in
index c262e024b..f9028316d 100644
--- a/data/appdata/org.gnome.Builder.appdata.xml.in
+++ b/data/appdata/org.gnome.Builder.appdata.xml.in
@@ -60,7 +60,7 @@
     </screenshot>
     <screenshot type="default">
       <caption>Debug with the GNU debugger</caption>
-      <image width="1600" 
height="900">https://git.gnome.org/browse/gnome-builder/plain/data/appdata/06-debugger.png</image>
+      <image width="1600" 
height="900">https://gitlab.gnome.org/GNOME/gnome-builder/raw/master/data/appdata/06-debugger.png</image>
     </screenshot>
   </screenshots>
   <launchable type="desktop-id">org.gnome.Builder.desktop</launchable>