normalize srcPath for windows
normalize srcPath for windows

akira-cn/thinkjs,snadn/thinkjs,maxzhang/thinkjs,75team/thinkjs,akira-cn/thinkjs,maxzhang/thinkjs,thinkjs/thinkjs,Qihoo360/thinkjs,maxzhang/thinkjs,75team/thinkjs,75team/thinkjs,akira-cn/thinkjs