Note that RewriteLock should be used when using prg: style RewriteMaps

https://issues.apache.org/bugzilla/show_bug.cgi?id=52347


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1296931 13f79535-47bb-0310-9956-ffa450edef68