[glade] doap: add <programming-language>

[Piotr Drąg <piotrdrag src gnome org>]

commit d53e5df141778aba5aa29e30022194a824146095
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 31 18:46:45 2014 +0200

    doap: add <programming-language>

 glade.doap |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/glade.doap b/glade.doap
index 0296f43..255abd3 100644
--- a/glade.doap
+++ b/glade.doap
@@ -13,6 +13,7 @@
   <bug-database rdf:resource="http://bugzilla.gnome.org/browse.cgi?product=glade"; />
 
   <category rdf:resource="http://api.gnome.org/doap-extensions#apps"; />
+  <programming-language>C</programming-language>
 
   <maintainer>
     <foaf:Person>