Fix projectmover dir permission

lib/gitlab/project_mover.rb

@@ -16,7 +16,7 @@ module Gitlab
     def execute
       # Create new dir if missing
       new_dir_path = File.join(Gitlab.config.git_base_path, new_dir)
-      Dir.mkdir(new_dir_path) unless File.exists?(new_dir_path)
+      Dir.mkdir(new_dir_path, 0770) unless File.exists?(new_dir_path)
 
       old_path = File.join(Gitlab.config.git_base_path, old_dir, "#{project.path}.git")
       new_path = File.join(new_dir_path, "#{project.path}.git")