fix rubocop violation
fix rubocop violation

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