[polari] appdate: Update screenshot URLs

[Gitlab System User <gitlab src gnome org>]

commit f63096f5c55f884df88b7ca9b37c8fe83df632f6
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Sep 18 21:19:46 2017 +0200

    appdate: Update screenshot URLs
    
    Polari moved to our gitlab instance. Gitlab and cgit don't use the
    same format for accessing the raw file, so the redirect broke all
    screenshots. Use the proper gitlab URLs instead.

 data/appdata/org.gnome.Polari.appdata.xml.in | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/data/appdata/org.gnome.Polari.appdata.xml.in b/data/appdata/org.gnome.Polari.appdata.xml.in
index bb91199..b577113 100644
--- a/data/appdata/org.gnome.Polari.appdata.xml.in
+++ b/data/appdata/org.gnome.Polari.appdata.xml.in
@@ -22,19 +22,19 @@
   </description>
   <screenshots>
     <screenshot type="default">
-      <image>https://git.gnome.org/browse/polari/plain/data/appdata/polari-main.png</image>
+      <image>https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-main.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.gnome.org/browse/polari/plain/data/appdata/polari-user-list.png</image>
+      <image>https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-user-list.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.gnome.org/browse/polari/plain/data/appdata/polari-join-dialog.png</image>
+      <image>https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-join-dialog.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.gnome.org/browse/polari/plain/data/appdata/polari-connection.png</image>
+      <image>https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-connection.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.gnome.org/browse/polari/plain/data/appdata/polari-connection-properties.png</image>
+      
<image>https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-connection-properties.png</image>
     </screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Polari</url>