[gdk-pixbuf] doap: add <programming-language>

[Piotr Drąg <piotrdrag src gnome org>]

commit a4d8f8b53da664a8054dc648e1f1e12ee501c3c2
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 31 17:42:05 2014 +0200

    doap: add <programming-language>

 gdk-pixbuf.doap |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk-pixbuf.doap b/gdk-pixbuf.doap
index 4d4d472..6332b50 100644
--- a/gdk-pixbuf.doap
+++ b/gdk-pixbuf.doap
@@ -12,6 +12,7 @@
   <download-page rdf:resource="http://download.gnome.org/sources/gdk-pixbuf/"; />
   <bug-database rdf:resource="http://bugzilla.gnome.org/browse.cgi?product=gtk+"; />
   <category rdf:resource="http://api.gnome.org/doap-extensions#core"; />
+  <programming-language>C</programming-language>
 
   <maintainer>
     <foaf:Person>