[glom] AppData: Use larger screenshot image.

[Murray Cumming <murrayc src gnome org>]

commit 35b954fa18816222e15b88672989efdbf26b5180
Author: Murray Cumming <murrayc murrayc com>
Date:   Sat Nov 28 13:18:57 2015 +0100

    AppData: Use larger screenshot image.
    
    Because appstream-util validate said its width was too small.

 glom.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom.appdata.xml.in b/glom.appdata.xml.in
index 3c339cd..42de36a 100644
--- a/glom.appdata.xml.in
+++ b/glom.appdata.xml.in
@@ -16,7 +16,7 @@
   </description>
   <screenshots>
     <screenshot type="default">
-      <image>http://www.glom.org/wiki/images/7/7b/Small_glom_data_details.png</image>
+      <image>http://www.glom.org/screenshots/glom_data_details.png</image>
       <caption>The details view showing the whole record</caption>
       </screenshot>
   </screenshots>