[ghex] appdata: Update screenshot

[Kalev Lember <klember src gnome org>]

commit f8eb5df90fd09acebe2320e825e99fbd5aa2e524
Author: Kalev Lember <klember redhat com>
Date:   Tue Sep 1 00:08:25 2015 +0200

    appdata: Update screenshot

 data/ghex.appdata.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ghex.appdata.xml b/data/ghex.appdata.xml
index d61880c..7560da0 100644
--- a/data/ghex.appdata.xml
+++ b/data/ghex.appdata.xml
@@ -15,7 +15,7 @@
     </p>
   </description>
   <screenshots>
-    <screenshot type="default" width="500" 
height="367">https://wiki.gnome.org/Apps/Ghex?action=AttachFile&#x26;do=get&#x26;target=ghex.png</screenshot>
+    <screenshot type="default">https://kalev.fedorapeople.org/ghex.png</screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Ghex</url>
   <updatecontact>kalevlember_at_gmail.com</updatecontact>