[gnome-chess] update screenshot for new appdata-validate

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 47336bfee3900d214c3692fc96fabc0961b00d9f
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 19 21:23:56 2013 -0500

    update screenshot for new appdata-validate

 data/gnome-chess.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/gnome-chess.appdata.xml.in b/data/gnome-chess.appdata.xml.in
index 1c6b980..dc7fc89 100644
--- a/data/gnome-chess.appdata.xml.in
+++ b/data/gnome-chess.appdata.xml.in
@@ -16,7 +16,7 @@
   </_p>
  </description>
  <screenshots>
-  <_screenshot type="default" width="702" 
height="590">https://people.gnome.org/~mcatanzaro/gnome-chess.png</_screenshot>
+  <screenshot type="default" width="688" 
height="420">https://people.gnome.org/~mcatanzaro/gnome-chess.png</screenshot>
  </screenshots>
  <url type="homepage">https://wiki.gnome.org/Apps/Chess</url>
  <updatecontact>mcatanzaro_at_gnome.org</updatecontact>