[glabels] Fix screenshot URL.

[Jim Evins <jimevins src gnome org>]

commit 730bfcd44f76d979c51abff940c2f18daf3943d2
Author: Matthias Mailänder <Mailaender users noreply github com>
Date:   Sat Sep 17 06:38:40 2016 +0200

    Fix screenshot URL.

 data/appdata/glabels-3.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/appdata/glabels-3.appdata.xml.in b/data/appdata/glabels-3.appdata.xml.in
index 3d493d6..669927a 100644
--- a/data/appdata/glabels-3.appdata.xml.in
+++ b/data/appdata/glabels-3.appdata.xml.in
@@ -24,7 +24,7 @@
   </description>
   <screenshots>
     <screenshot height="640" width="881" type="default">
-      <image>http://glabels.org/screenshots/320-screenshot-main.png</image>
+      <image>http://glabels.org/images/320-screenshot-main.png</image>
     </screenshot>
   </screenshots>
   <url type="homepage">http://glabels.org/</url>