[gnome-builder] appdata: add Friends of GNOME for donations

[Christian Hergert <chergert src gnome org>]

commit bdf5509381989e56510a9e9b2a6c8fe00a0359b3
Author: Christian Hergert <chergert redhat com>
Date:   Thu Nov 3 14:26:56 2016 -0700

    appdata: add Friends of GNOME for donations

 data/org.gnome.Builder.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.Builder.appdata.xml.in b/data/org.gnome.Builder.appdata.xml.in
index 0d9bfc9..2e5e431 100644
--- a/data/org.gnome.Builder.appdata.xml.in
+++ b/data/org.gnome.Builder.appdata.xml.in
@@ -56,6 +56,7 @@
 
   <url type="homepage">https://wiki.gnome.org/Apps/Builder</url>
   <url type="bugtracker">https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-builder</url>
+  <url type="donation">http://www.gnome.org/friends/</url>
   <project_group>GNOME</project_group>
 
   <kudos>