Log SCM stderr when log level is set to debug only (#13541).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11680 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/scm/adapters/abstract_adapter.rb

@@ -228,9 +228,9 @@ module Redmine
         def self.shellout(cmd, options = {}, &block)
           if logger && logger.debug?
             logger.debug "Shelling out: #{strip_credential(cmd)}"
-          end
             # Capture stderr in a log file
             cmd = "#{cmd} 2>>#{shell_quote(stderr_log_file)}"
+          end
           begin
             mode = "r+"
             IO.popen(cmd, mode) do |io|