fix(build): fix #955 (#961)
fix(build): fix #955 (#961)


Enrika/angular2-test,bajajpayal/ng2-admin,supun19/directPayFrontend,supun19/directPayFrontend,flxc4p4str/NYA_Portal,eko-point/ng2-admin,jskrnbindra/AMSsidebarExtract,TrungVuAnt/ng2-admin,AlbertXingZhang/ng2-admin,bajajpayal/ng2-admin,jskrnbindra/AMSsidebarExtract,bajajpayal/ng2-admin,jskrnbindra/AMSsidebarExtract,AtouiIlyes/AngularBackend,Enrika/angular2-test,flxc4p4str/NYA_Portal,Enrika/angular2-test,ramsunvtech/ng2-admin,flxc4p4str/NYA_Portal,Enrika/angular2-test,bajajpayal/ng2-admin,AlbertXingZhang/ng2-admin,AlbertXingZhang/ng2-admin,jeffrychristian93/PJIDEMO,jskrnbindra/AMSsidebarExtract,ramsunvtech/ng2-admin,supun19/directPayFrontend,jeffrychristian93/PJIDEMO,eko-point/ng2-admin,TrungVuDang/ng2-admin,jeffrychristian93/PJIDEMO,TrungVuAnt/ng2-admin,TrungVuAnt/ng2-admin,AlbertXingZhang/ng2-admin,eko-point/ng2-admin,TrungVuAnt/ng2-admin,jeffrychristian93/PJIDEMO,ramsunvtech/ng2-admin,AlbertXingZhang/ng2-admin,AtouiIlyes/AngularBackend,TrungVuDang/ng2-admin,eko-point/ng2-admin,TrungVuDang/ng2-admin,ramsunvtech/ng2-admin,flxc4p4str/NYA_Portal,AtouiIlyes/AngularBackend,AtouiIlyes/AngularBackend,supun19/directPayFrontend,TrungVuDang/ng2-admin