[gnome-mines] appdata: update screenshot size

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f09381eecc6e6e53b17b4ff3319208d355b6392f
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Mar 5 20:19:50 2014 -0600

    appdata: update screenshot size

 data/gnome-mines.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/gnome-mines.appdata.xml.in b/data/gnome-mines.appdata.xml.in
index 181263f..48599bc 100644
--- a/data/gnome-mines.appdata.xml.in
+++ b/data/gnome-mines.appdata.xml.in
@@ -18,7 +18,7 @@
   </_p>
  </description>
  <screenshots>
-  <screenshot type="default" width="1176" 
height="703">https://people.gnome.org/~mcatanzaro/gnome-mines.png</screenshot>
+  <screenshot type="default" width="748" 
height="564">https://people.gnome.org/~mcatanzaro/gnome-mines.png</screenshot>
  </screenshots>
  <url type="homepage">https://wiki.gnome.org/Apps/Mines</url>
  <updatecontact>games_list_at_gnome.org</updatecontact>