small fix in link_to_branch helper
small fix in link_to_branch helper

Undev/redmine_undev_git,Undev/redmine_undev_git,Restream/redmine_undev_git,pawwal/redmine_undev_git,Restream/redmine_undev_git,Undev/redmine_undev_git,pawwal/redmine_undev_git,Restream/redmine_undev_git,pawwal/redmine_undev_git