[zenity] Add <description> to DOAP file

[Andre Klapper <aklapper src gnome org>]

commit 8fb99b33b43f62100dd01e91b73f7c293cb55d7c
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Feb 23 03:20:05 2019 +0100

    Add <description> to DOAP file

 zenity.doap | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/zenity.doap b/zenity.doap
index 18fc3ef..3b1a450 100644
--- a/zenity.doap
+++ b/zenity.doap
@@ -11,6 +11,7 @@
   <bug-database rdf:resource="https://gitlab.gnome.org/GNOME/zenity/issues/"; />
   <category rdf:resource="http://api.gnome.org/doap-extensions#core"; />
   <programming-language>C</programming-language>
+  <description>Display GTK+ dialog boxes from the commandline and shell scripts.</description>
 
   <maintainer>
     <foaf:Person>