[gnome-control-center] appdata: revert modified id

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 2c8706b0d3c1f196e3f5c848a0ff323ffa831d22
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Wed Jan 9 14:32:54 2019 +0000

    appdata: revert modified id
    
    Should be updated later with the new unified app-id

 shell/appdata/gnome-control-center.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/shell/appdata/gnome-control-center.appdata.xml.in 
b/shell/appdata/gnome-control-center.appdata.xml.in
index 74eb9c11d..85db1991f 100644
--- a/shell/appdata/gnome-control-center.appdata.xml.in
+++ b/shell/appdata/gnome-control-center.appdata.xml.in
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2015 Richard Hughes <richard hughsie com> -->
 <component type="desktop">
-  <id>gnome-control-center</id>
+  <id>gnome-control-center.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-2.0+</project_license>
   <name>GNOME Control Center</name>