[gimp] Add a missing tag to the AppData file

[Richard Hughes <rhughes src gnome org>]

commit cfa6f58d0e8ed9c63d95c277a5b3dae2dac2280d
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jan 25 16:22:23 2016 +0000

    Add a missing tag to the AppData file

 desktop/gimp.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/desktop/gimp.appdata.xml.in b/desktop/gimp.appdata.xml.in
index 3ede519..a5268e4 100644
--- a/desktop/gimp.appdata.xml.in
+++ b/desktop/gimp.appdata.xml.in
@@ -56,4 +56,5 @@
     <kudo>UserDocs</kudo>
   </kudos>
   <project_group>GNOME</project_group>
+  <translation type="gettext">gimp20</translation>
 </component>