[gnome-contacts] Add myself to the maintainers.

[Niels De Graef <nielsdg src gnome org>]

commit d58b53f1ce2f54f04a3e4542ca94fbd6cace2c2e
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Tue Jun 20 11:33:10 2017 +0200

    Add myself to the maintainers.

 gnome-contacts.doap |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/gnome-contacts.doap b/gnome-contacts.doap
index 7e12085..22c8437 100644
--- a/gnome-contacts.doap
+++ b/gnome-contacts.doap
@@ -27,4 +27,11 @@
       <gnome:userid>erickpc</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Niels De Graef</foaf:name>
+      <foaf:mbox rdf:resource="mailto:nielsdegraef gmail com" />
+      <gnome:userid>nielsdg</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>