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

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7d7d3be6ca3e86e471a929a2ee631cb13d3485bd
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 19 22:31:02 2013 -0500

    update screenshot for new appdata-validate

 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 fcfce88..40c5bb4 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="659" 
height="578">https://people.gnome.org/~mcatanzaro/gnome-mines.png</_screenshot>
+  <screenshot type="default" width="1176" 
height="703">https://people.gnome.org/~mcatanzaro/gnome-mines.png</screenshot>
  </screenshots>
  <url type="homepage">https://wiki.gnome.org/Mines</url>
  <updatecontact>games_list_at_gnome.org</updatecontact>