scm: bazaar: use explicit return value in adapter branch_conf_path() (#2799, #4741, #8030).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5894 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/scm/adapters/bazaar_adapter.rb

@@ -233,6 +233,7 @@ module Redmine
           if bcp
             bcp = File.join(bcp, ".bzr", "branch", "branch.conf")
           end
+          bcp
         end
 
         def append_revisions_only