Escape slash consistently.

Backport of r1446612 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1446613 13f79535-47bb-0310-9956-ffa450edef68
Merged revision 1446640 from tomcat/trunk:
Remove stray '-->' in a configuration sample


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1446641 13f79535-47bb-0310-9956-ffa450edef68