Fix push access check when not signed in.
Fix push access check when not signed in.

michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,ksoichiro/gitlabhq,michaKFromParis/gitlabhqold,ksoichiro/gitlabhq,michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,michaKFromParis/gitlabhq,ksoichiro/gitlabhq,ksoichiro/gitlabhq