Move self from contributor section to developer section.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1565330 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 6efff6c..946b9dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,6 +91,12 @@
       <email>simonetripodi@apache.org</email>
       <organization>Adobe</organization>
     </developer>
+    <developer>
+      <name>Gary Gregory</name>
+      <id>ggregory</id>
+      <email>ggregory@apache.org</email>
+      <organization />
+    </developer>
   </developers>
 
   <contributors>
@@ -103,10 +109,6 @@
       <email>dfabian@google.com</email>
     </contributor>
     <contributor>
-      <name>Gary Gregory</name>
-      <email>ggregory@apache.org</email>
-    </contributor>
-    <contributor>
       <name>Jörg Heinicke</name>
       <email>joerg.heinicke@gmx.de</email>
     </contributor>