[FIX] gunicorn wsgi wrapper instructions

bzr revid: al@openerp.com-20120924105011-2gtopghuooxh37o0

openerp-wsgi.py

@@ -11,7 +11,7 @@
 #
 # For gunicorn additional globals need to be defined in the Gunicorn section.
 # Then the following command should run:
-#   $ gunicorn openerp:application -c openerp-wsgi.py
+#   $ gunicorn openerp:service.wsgi_server.application -c openerp-wsgi.py
 
 import openerp