Make deploy:jar do a chgrp maven

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@113010 13f79535-47bb-0310-9956-ffa450edef68

java/plugin.jelly

@@ -255,7 +255,7 @@
       artifact="${relativePath}"
       type="jars"
       assureDirectoryCommand="mkdir -p"
-      siteCommand="cd @deployDirectory@; chmod g+w ${maven.jar.to.deploy}"
+      siteCommand="cd @deployDirectory@; chmod g+w ${maven.jar.to.deploy}; chgrp maven ${maven.jar.to.deploy}"
     />
 
   </goal>