Fix strict mode test fail for es6 builds.
Fix strict mode test fail for es6 builds.

leolin1229/lodash,Xotic750/lodash,zestia/lodash,steelsojka/lodash,Droogans/lodash,bnicart/lodash,justintung/lodash,prawnsalad/lodash,phillipalexander/lodash,ajefremovs/lodash,samuelbeek/lodash,AneesMohammed/lodash,joshuaprior/lodash,jasnell/lodash,rtorr/lodash,ricardohbin/lodash,stewx/lodash,jasnell/lodash,msmorgan/lodash,woldie/lodash,shwaydogg/lodash,rlugojr/lodash,af7/lodash,therebelbeta/lodash,nbellowe/lodash,AndBicScadMedia/lodash,developer-prosenjit/lodash,phillipalexander/lodash,reggi/lodash,jzning-martian/lodash,xiwc/lodash,hafeez-syed/lodash,andersonaguiar/lodash,krahman/lodash,xixilive/lodash,naoina/lodash,dgoncalves1/lodash,transGLUKator/lodash,transGLUKator/lodash,r14r-work/fork_javascript_lodash,rtorr/lodash,huyinghuan/lodash,shwaydogg/lodash,krahman/lodash,jasnell/lodash,PhiLhoSoft/lodash,mjosh954/lodash,imjerrybao/lodash,ror/lodash,tquetano-r7/lodash,MaxPRafferty/lodash,krahman/lodash,woldie/lodash,phillipalexander/lodash,AndBicScadMedia/lodash,IveWong/lodash,msmorgan/lodash,zhangguangyong/lodash,shwaydogg/lodash,mjosh954/lodash,felixshu/lodash,nsamarcos/lodash,krrg/lodash,tgriesser/lodash,timruffles/lodash,lekoaf/lodash,schnerd/lodash,therebelbeta/lodash,Moykn/lodash,neouser99/lodash,huyinghuan/lodash,benweet/lodash,AndBicScadMedia/lodash,timruffles/lodash,chrootsu/lodash,zhangguangyong/lodash,greyhwndz/lodash,gutenye/lodash,jzning-martian/lodash,jzning-martian/lodash,julianocomg/lodash,Andrey-Pavlov/lodash,r14r/fork_javascript_lodash,rlugojr/lodash,lzheng571/lodash,codydaig/lodash,schnerd/lodash,gdi2290/lodash,prawnsalad/lodash,tquetano-r7/lodash,greyhwndz/lodash,nsamarcos/lodash,jshanson7/lodash,naoina/lodash,enng0227/lodash,IveWong/lodash,greyhwndz/lodash,leolin1229/lodash,studiowangfei/lodash,steelsojka/lodash,zestia/lodash,chrootsu/lodash,tonyonodi/lodash,xiwc/lodash,Moykn/lodash,jshanson7/lodash,ricardohbin/lodash,studiowangfei/lodash,youprofit/lodash,PhiLhoSoft/lodash,r14r-work/fork_javascript_lodash,MaxPRafferty/lodash,Droogans/lodash,Xotic750/lodash,krrg/lodash,prawnsalad/lodash,enng0227/lodash,hitesh97/lodash,justintung/lodash,Andrey-Pavlov/lodash,ajefremovs/lodash,rtorr/lodash,tgriesser/lodash,lzheng571/lodash,Andrey-Pavlov/lodash,javiosyc/lodash,ror/lodash,developer-prosenjit/lodash,r14r/fork_javascript_lodash,af7/lodash,BernhardRode/lodash,Jaspersoft/lodash,AneesMohammed/lodash,andersonaguiar/lodash,developer-prosenjit/lodash,hitesh97/lodash,joshuaprior/lodash,Jaspersoft/lodash,tquetano-r7/lodash,BernhardRode/lodash,enng0227/lodash,AneesMohammed/lodash,beaugunderson/lodash,hitesh97/lodash,therebelbeta/lodash,PhiLhoSoft/lodash,benweet/lodash,imjerrybao/lodash,neouser99/lodash,youprofit/lodash,tejokumar/lodash,jshanson7/lodash,boneskull/lodash,xixilive/lodash,timruffles/lodash,r14r/fork_javascript_lodash,Lottid/lodash,gutenye/lodash,leolin1229/lodash,reggi/lodash,javiosyc/lodash,polarbird/lodash,MaxPRafferty/lodash,nbellowe/lodash,nsamarcos/lodash,justintung/lodash,julianocomg/lodash,Xotic750/lodash,lekoaf/lodash,stewx/lodash,xiwc/lodash,gdi2290/lodash,hafeez-syed/lodash,zhangguangyong/lodash,imjerrybao/lodash,felixshu/lodash,ror/lodash,bnicart/lodash,IveWong/lodash,stewx/lodash,gutenye/lodash,reggi/lodash,jacwright/lodash,Droogans/lodash,Lottid/lodash,chrootsu/lodash,hafeez-syed/lodash,andersonaguiar/lodash,lekkas/lodash,polarbird/lodash,r14r-work/fork_javascript_lodash,benweet/lodash,mjosh954/lodash,studiowangfei/lodash,naoina/lodash,BernhardRode/lodash,lzheng571/lodash,youprofit/lodash,lekkas/lodash,mshoaibraja/lodash,ajefremovs/lodash,bnicart/lodash,tejokumar/lodash,Moykn/lodash,neouser99/lodash,Lottid/lodash,tgriesser/lodash,lekkas/lodash,codydaig/lodash,codydaig/lodash,schnerd/lodash,mshoaibraja/lodash,ricardohbin/lodash,mshoaibraja/lodash,felixshu/lodash,nbellowe/lodash,beaugunderson/lodash,samuelbeek/lodash,zestia/lodash,jacwright/lodash,huyinghuan/lodash,joshuaprior/lodash,krrg/lodash,dgoncalves1/lodash,julianocomg/lodash,af7/lodash,boneskull/lodash,polarbird/lodash,transGLUKator/lodash,tejokumar/lodash,javiosyc/lodash,xixilive/lodash,lekoaf/lodash,dgoncalves1/lodash,Jaspersoft/lodash,samuelbeek/lodash,jacwright/lodash,tonyonodi/lodash,woldie/lodash