Christian has an ASF id

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1196970 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index d86502d..cb4098b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -81,6 +81,7 @@
     </developer>
     <developer>
       <name>Christian Grobmeier</name>
+      <id>grobmeier</id>
       <email>grobmeier at apache.org</email>
     </developer>
   </developers>