[libsecret] doap: add myself as maintainer

[Daiki Ueno <dueno src gnome org>]

commit 0ec60173bc806441cefd56789a505b83e25d4947
Author: Daiki Ueno <dueno src gnome org>
Date:   Fri May 25 12:44:15 2018 +0200

    doap: add myself as maintainer

 libsecret.doap | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/libsecret.doap b/libsecret.doap
index f5d03c9..3cfdc1d 100644
--- a/libsecret.doap
+++ b/libsecret.doap
@@ -25,5 +25,13 @@ desktop. Supported by gnome-keyring and ksecretservice.</description>
       <gnome:userid>stefw</gnome:userid>
     </foaf:Person>
   </maintainer>
+
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Daiki Ueno</foaf:name>
+      <foaf:mbox rdf:resource="mailto:dueno gnome org" />
+      <gnome:userid>dueno</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>