added old to hgignore

--HG--
branch : rc-botanic-webdev

.hgignore

@@ -209,5 +209,6 @@ code/ryzom/server/src/ryzom_admin_service/ryzom_admin_service
 code/ryzom/server/src/ryzom_naming_service/ryzom_naming_service
 code/ryzom/server/src/ryzom_welcome_service/ryzom_welcome_service
 code/ryzom/server/src/tick_service/tick_service
-# WebTT temp dir
+# WebTT temp dir
 code/ryzom/tools/server/www/webtt/app/tmp
+code\ryzom\tools\server\ryzom_ams\old