[mutter] doap: add <programming-language>

[Piotr Drąg <piotrdrag src gnome org>]

commit 3a535b672245d2a4a70c59afc675e087504241ea
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 31 17:49:52 2014 +0200

    doap: add <programming-language>

 mutter.doap |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/mutter.doap b/mutter.doap
index ed0fe8c..7da770b 100644
--- a/mutter.doap
+++ b/mutter.doap
@@ -24,6 +24,7 @@ environment.</description>
   <bug-database rdf:resource="http://bugzilla.gnome.org/browse.cgi?product=mutter"; />
 
   <category rdf:resource="http://api.gnome.org/doap-extensions#core"; />
+  <programming-language>C</programming-language>
 
   <maintainer>
     <foaf:Person>