Fixed broken variable references in security::xss_clean()
Fixed broken variable references in security::xss_clean()

kebot/GiBeans,ryross/konfig_test,gold3bear/kohana,gartz/KohanaCV,zhangjingpu/kohana,Konro1/pms,anhnt0212/kohana,16nsk/kohana,yeysman/kohana,acoulton/slowtask-demo,qianzy96/kohana,dreamsxin/kohana,mattwadey/kohana,kohana/kohana,madeofpeople/latticeFolio,driutheman/kohana,web-player/kohana,madeofpeople/latticeFolio,JanvanCasteren/kohana,manyahin/moviestest,enov/Aurora-QA,jellycheng/kohana,exlant/kohana,madeofpeople/latticeFolio,OpenBuildings/jam-resource,exlant/kohana,driutheman/kohana,ajose1024/kohana