[gtkmm] add category to doap file

[Jonathon Jongsma <jjongsma src gnome org>]

commit 34502ca6d7ae3e0d8fc6976a156291d0f5369118
Author: Jonathon Jongsma <jonathon jongsma collabora co uk>
Date:   Wed Apr 22 23:56:40 2009 -0500

    add category to doap file
---
 gtkmm.doap |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/gtkmm.doap b/gtkmm.doap
index b24db12..fa3cf0e 100644
--- a/gtkmm.doap
+++ b/gtkmm.doap
@@ -5,13 +5,10 @@
          xmlns="http://usefulinc.com/ns/doap#";>
 
   <name xml:lang="en">gtkmm</name>
-  <!-- Description, e.g.
-       "Falling blocks game"
-       "Internationalized text layout and rendering library"
-  -->
   <shortdesc xml:lang="en">C++ bindings for Gtk+.</shortdesc>
   <homepage rdf:resource="http://www.gtkmm.org/"; />
   <mailing-list rdf:resource="mailto:gtkmm-list gnome org" />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#bindings"; />
 
   <maintainer>
     <foaf:Person>