[gnome-shell] doap: Clean up list of maintainers

[Florian Müllner <fmuellner src gnome org>]

commit 59e3a1a8162e4c7435a8027b67bd08b9802dafd8
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Oct 16 12:23:37 2019 +0200

    doap: Clean up list of maintainers
    
    Move historic entries from "maintainers" to "authors" to reflect
    current reality :-(

 gnome-shell.doap | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gnome-shell.doap b/gnome-shell.doap
index 49af104336..1ebbbde42b 100644
--- a/gnome-shell.doap
+++ b/gnome-shell.doap
@@ -31,34 +31,34 @@ its dependencies to build from tarballs.</description>
   <programming-language>JavaScript</programming-language>
   <programming-language>C</programming-language>
 
-  <maintainer>
+  <author>
     <foaf:Person>
       <foaf:name>William Jon McCann</foaf:name>
       <foaf:mbox rdf:resource="mailto:jmccann redhat com" />
       <gnome:userid>mccann</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Owen Taylor</foaf:name>
       <foaf:mbox rdf:resource="mailto:otaylor redhat com" />
       <gnome:userid>otaylor</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Colin Walters</foaf:name>
       <foaf:mbox rdf:resource="mailto:walters verbum org" />
       <gnome:userid>walters</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Marina Zhurakhinskaya</foaf:name>
       <foaf:mbox rdf:resource="mailto:marinaz redhat com" />
       <gnome:userid>marinaz</gnome:userid>
     </foaf:Person>
-  </maintainer>
+  </author>
   <maintainer>
     <foaf:Person>
       <foaf:name>Florian Müllner</foaf:name>