[gthumb] appdata: updated screenshot links

[Paolo Bacchilega <paobac src gnome org>]

commit 6d40d4867a32cb9c0f8600cbff4d35e195ec00ae
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Nov 22 17:09:07 2019 +0100

    appdata: updated screenshot links

 data/appdata/org.gnome.gThumb.appdata.xml.in | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/appdata/org.gnome.gThumb.appdata.xml.in b/data/appdata/org.gnome.gThumb.appdata.xml.in
index f74cce6c..e07b3b54 100644
--- a/data/appdata/org.gnome.gThumb.appdata.xml.in
+++ b/data/appdata/org.gnome.gThumb.appdata.xml.in
@@ -43,10 +43,10 @@
   <url type="homepage">https://wiki.gnome.org/Apps/Gthumb</url>
   <screenshots>
     <screenshot type="default">
-      <image type="source">https://git.gnome.org/browse/gthumb/plain/data/appdata/ss-browser.png</image>
+      <image 
type="source">https://gitlab.gnome.org/GNOME/gthumb/raw/master/data/appdata/ss-browser.png</image>
     </screenshot>
     <screenshot>
-      <image type="source">https://git.gnome.org/browse/gthumb/plain/data/appdata/ss-viewer.png</image>
+      <image 
type="source">https://gitlab.gnome.org/GNOME/gthumb/raw/master/data/appdata/ss-viewer.png</image>
     </screenshot>
   </screenshots>