Fix indentation in migration helpers
Fix indentation in migration helpers

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