Merged revision 1453105 from tomcat/trunk:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54638
The status page of manager webapp was reporting wrong value for "Used" memory in XML mode.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1453106 13f79535-47bb-0310-9956-ffa450edef68