Restart workhorse if the socket directory changes

- Restart workhorse if the socket directory changes. In its own commit
  so it can be reverted by the maintainer if not approved

Signed-off-by: Robert Marshall <rmarshall@gitlab.com>

files/gitlab-cookbooks/gitlab/recipes/gitlab-workhorse.rb

@@ -36,6 +36,7 @@ if workhorse_helper.unix_socket? && !gitlab_workhorse_socket_dir.nil?
     owner account_helper.gitlab_user
     group account_helper.web_server_group
     mode '0750'
+    notifies :restart, "runit_service[gitlab-workhorse]"
     recursive true
   end
 end