[gimp-data-extras] gimp-data-extras.doap: add myself as maintainer so I can configure gitlab

[Michael Natterer <mitch src gnome org>]

commit 2ef90054bc7a8a7f5e9b57f3246cdb8bb9755940
Author: Michael Natterer <mitch gimp org>
Date:   Mon Jul 1 18:05:44 2019 +0200

    gimp-data-extras.doap: add myself as maintainer so I can configure gitlab

 gimp-data-extras.doap | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/gimp-data-extras.doap b/gimp-data-extras.doap
index 8a721c4..2e86404 100644
--- a/gimp-data-extras.doap
+++ b/gimp-data-extras.doap
@@ -22,4 +22,11 @@
       <gnome:userid>aprokoudine</gnome:userid>
     </foaf:Person>
   </maintainer>
+
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Michael Natterer</foaf:name>
+      <gnome:userid>mitch</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>