MAINTAINERS: Add an entry for the include/ui/ folder

The ui/ folder is listed in the "Graphics" section, so I think
the "include/ui/" folder should be listed there, too.
Signed-off-by: NThomas Huth <thuth@redhat.com>
Message-id: 1456392967-20274-4-git-send-email-thuth@redhat.com
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

MAINTAINERS

@@ -1096,6 +1096,7 @@ Graphics
 M: Gerd Hoffmann <kraxel@redhat.com>
 S: Odd Fixes
 F: ui/
+F: include/ui/
 
 Cocoa graphics
 M: Andreas Färber <andreas.faerber@web.de>