PHPCAS-57 reapplying a XSS patch for PHPCAS-52 that was undone in r48507
PHPCAS-57 reapplying a XSS patch for PHPCAS-52 that was undone in r48507

git-svn-id: 94f0db08461a0213b6c0921e79b985cd37b48048@20519 f5dbab47-78f9-eb45-b975-e544023573eb

Jasig/phpCAS,yangchunyong/phpCAS,neopeak/phpCAS,chand3040/phpCAS,snelg/phpCAS,rakesh-mohanta/phpCAS,fh/phpCAS,mickelfeng/phpCAS