protect //sourceURL from IE 6-8 when @cc_on
protect //sourceURL from IE 6-8 when @cc_on

jaredcacurak/curl,dfd07d/curl,djkost85/curl-1,marian-r/curl,dfd07d/curl,jaredcacurak/curl,vtex/curl,marian-r/curl,runt18/curl,vtex/curl,djkost85/curl-1,marian-r/curl,cujojs/curl,vtex/curl,cujojs/curl,jaredcacurak/curl,runt18/curl,dfd07d/curl,runt18/curl,cujojs/curl,djkost85/curl-1