[hitori] appdata: add to GNOME project group

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 19bec75fc9013542266ab18b8be9687e2106075c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Jun 5 17:27:32 2014 -0500

    appdata: add to GNOME project group
    
    Some software centers, like newer versions of GNOME Software, will use
    this to associate Hitori with other GNOME apps.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731308

 data/hitori.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/hitori.appdata.xml.in b/data/hitori.appdata.xml.in
index 2bc8acf..44e4312 100644
--- a/data/hitori.appdata.xml.in
+++ b/data/hitori.appdata.xml.in
@@ -20,4 +20,5 @@
        </screenshots>
        <url type="homepage">https://wiki.gnome.org/Apps/Hitori</url>
        <updatecontact>philip_at_tecnocode.co.uk</updatecontact>
+       <project_group>GNOME</project_group>
 </application>