[gnome-panel] doap: add programming-language

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 21fd7c49f5d74a7bb9af3dec78af353b1a97f431
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Sep 23 18:20:35 2014 +0300

    doap: add programming-language

 gnome-panel.doap |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gnome-panel.doap b/gnome-panel.doap
index 2467a9b..7faa4e0 100644
--- a/gnome-panel.doap
+++ b/gnome-panel.doap
@@ -11,6 +11,8 @@
   <download-page rdf:resource="http://download.gnome.org/sources/gnome-panel/"; />
   <bug-database rdf:resource="https://bugzilla.gnome.org/browse.cgi?product=gnome-panel"; />
 
+  <programming-language>C</programming-language>
+
   <maintainer>
     <foaf:Person>
       <foaf:name>Josselin Mouette</foaf:name>