Further fix remake constraints crash in Swift 1.2
Further fix remake constraints crash in Swift 1.2

ArthurKK/SnapKit,pengleelove/SnapKit,SnapKit/SnapKit,ArthurKK/SnapKit,QuanGe/SnapKit,brittonmobile/SnapKit,sai43/SnapKit,ramoslin02/SnapKit,CoderJackyHuang/SnapKit,CoderJWYang/SnapKit,leasual/SnapKit,wmfgithub/SnapKit,cnbin/SnapKit,sunzeboy/SnapKit,CoderJFCK/SnapKit,loupman/SnapKit,chengkaizone/SnapKit,aleffert/SnapKit,bestwpw/SnapKit,zilaiyedaren/SnapKit,smalldu/SnapKit,Ju2ender/SnapKit,398539445/SnapKit,brittonmobile/SnapKit,ernestopino/SnapKit,hanangellove/SnapKit,MaWenxing/SnapKit,sandyway/SnapKit,chengkaizone/SnapKit,sai43/SnapKit,loupman/SnapKit,zhaoguohui/SnapKit,pengleelove/SnapKit,zhaoguohui/SnapKit,Rdxer/SnapKit,BlessNeo/SnapKit,BlessNeo/SnapKit,HackRoy/SnapKit,imjerrybao/SnapKit,1yvT0s/SnapKit,QuanGe/SnapKit,398539445/SnapKit,Rdxer/SnapKit,wmfgithub/SnapKit,bestwpw/SnapKit,SnapKit/SnapKit,JummyHuang/SnapKit,leasual/SnapKit,jiwonsis/SnapKit,MaWenxing/SnapKit,sandyway/SnapKit,msdgwzhy6/SnapKit,imjerrybao/SnapKit,lioonline/SnapKit,JummyHuang/SnapKit,ernestopino/SnapKit,dawangjiaowolaixunshan/SnapKit,yujiaao/SnapKit,lioonline/SnapKit,duanhjlt/SnapKit,aleffert/SnapKit,smalldu/SnapKit,HackRoy/SnapKit,jiwonsis/SnapKit,dawangjiaowolaixunshan/SnapKit,fhchina/SnapKit,CoderJWYang/SnapKit,ramoslin02/SnapKit,CoderJFCK/SnapKit,fhchina/SnapKit,zilaiyedaren/SnapKit,msdgwzhy6/SnapKit,sunzeboy/SnapKit,yujiaao/SnapKit,hanangellove/SnapKit,duanhjlt/SnapKit,1yvT0s/SnapKit,cnbin/SnapKit,Ju2ender/SnapKit,zht415/SnapKit,zht415/SnapKit,CoderJackyHuang/SnapKit