[gnome-nibbles] appdata: update screenshot size

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c1901e658e6c46bc6d736df39f61dccdd718df62
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Sep 20 17:21:09 2014 -0500

    appdata: update screenshot size

 data/gnome-nibbles.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/gnome-nibbles.appdata.xml.in b/data/gnome-nibbles.appdata.xml.in
index 2ae459d..ab038bf 100644
--- a/data/gnome-nibbles.appdata.xml.in
+++ b/data/gnome-nibbles.appdata.xml.in
@@ -24,7 +24,7 @@
   </_p>
  </description>
  <screenshots>
-  <screenshot type="default" width="1200" 
height="675">https://people.gnome.org/~mcatanzaro/gnome-nibbles.png</screenshot>
+  <screenshot type="default" width="972" 
height="608">https://people.gnome.org/~mcatanzaro/gnome-nibbles.png</screenshot>
  </screenshots>
  <url type="homepage">https://wiki.gnome.org/Apps/Nibbles</url>
  <updatecontact>games_list_at_gnome.org</updatecontact>