[gnome-screenshot] Add <description> to pass git pre-receive hook

[Andre Klapper <aklapper src gnome org>]

commit d4591c943daaf23af49b7761a80d51aa2873dc62
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Dec 16 20:28:28 2018 +0100

    Add <description> to pass git pre-receive hook

 gnome-screenshot.doap | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gnome-screenshot.doap b/gnome-screenshot.doap
index 276172b..1eb9227 100644
--- a/gnome-screenshot.doap
+++ b/gnome-screenshot.doap
@@ -6,6 +6,8 @@
 
   <name xml:lang="en">gnome-screenshot</name>
   <shortdesc xml:lang="en">Take pictures of your screen</shortdesc>
+  <description>Takes a screenshot of the whole desktop, the currently
+  focused window, or an area of the screen.</description>
 
   <license rdf:resource="http://usefulinc.com/doap/licenses/gpl"; />