[gnome-nibbles] appdata: move the screenshot to a safer location

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fc9dea52b4e62005a8a9d411d2c3701796a74df3
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Oct 6 09:33:21 2013 -0500

    appdata: move the screenshot to a safer location

 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 97a39b5..fb0274f 100644
--- a/data/gnome-nibbles.appdata.xml.in
+++ b/data/gnome-nibbles.appdata.xml.in
@@ -22,7 +22,7 @@
   </_p>
  </description>
  <screenshots>
-  <_screenshot type="default" width="652" 
height="560">https://wiki.gnome.org/Nibbles?action=AttachFile&#x26;do=get&#x26;target=nibbles.png</_screenshot>
+  <_screenshot type="default" width="652" 
height="560">https://people.gnome.org/~mcatanzaro/gnome-nibbles.png</_screenshot>
  </screenshots>
  <url type="homepage">https://wiki.gnome.org/Nibbles</url>
  <updatecontact>games_list_at_gnome.org</updatecontact>