[NetworkManager-openconnect] doap: add Antonio Cardace as maintainer

[Beniamino Galvani <bgalvani src gnome org>]

commit c61c0a2ef02ecc959af0de609bf4995b5d928a2b
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Mon Apr 6 11:50:21 2020 +0200

    doap: add Antonio Cardace as maintainer

 NetworkManager-openconnect.doap | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/NetworkManager-openconnect.doap b/NetworkManager-openconnect.doap
index e2cbdd9..9f9178c 100644
--- a/NetworkManager-openconnect.doap
+++ b/NetworkManager-openconnect.doap
@@ -51,6 +51,13 @@
       <gnome:userid>dcbw</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Antonio Cardace</foaf:name>
+      <foaf:mbox rdf:resource="mailto:acardace redhat com" />
+      <gnome:userid>acardace</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 
 </Project>