fix deprecation warning present during webpack compiles
fix deprecation warning present during webpack compiles

iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,iiet/iiet-git,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,dreampet/gitlab,dreampet/gitlab,jirutka/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq