[pybliographer] Fix category in DOAP file

[Andre Klapper <aklapper src gnome org>]

commit c1b1847b077627722c0b9bf141fb9c16243b45ca
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Dec 14 18:35:01 2018 +0100

    Fix category in DOAP file

 pybliographer.doap | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/pybliographer.doap b/pybliographer.doap
index f70b3be..31271c8 100644
--- a/pybliographer.doap
+++ b/pybliographer.doap
@@ -11,7 +11,7 @@
   <homepage rdf:resource="http://pybliographer.org"; />
   <mailing-list rdf:resource="https://lists.sourceforge.net/lists/listinfo/pybliographer-general"; />
   <bug-database rdf:resource="https://gitlab.gnome.org/GNOME/pybliographer/issues/"; />
-  <category rdf:resource="http://api.gnome.org/doap-extensions#desktop"; />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#apps"; />
   <license rdf:resource="http://usefulinc.com/doap/licenses/gpl"/>
   <download-page rdf:resource="http://download.gnome.org/sources/pybliographer/"/>