garbage crept in

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@8171 71c3de6d-444a-0410-be80-ed276b4c234a

war/resources/scripts/hudson-behavior.js

-replaceDescription//
+//
 // JavaScript for Hudson
 //     See http://www.ibm.com/developerworks/web/library/wa-memleak/?ca=dgr-lnxw97JavascriptLeaks
 //     for memory leak patterns and how to prevent them.