Fixed comma splice in DeprecationWarning for CompatCookie

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17220 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/http/__init__.py

@@ -110,8 +110,7 @@ class CompatCookie(SimpleCookie):
     def __init__(self, *args, **kwargs):
         super(CompatCookie, self).__init__(*args, **kwargs)
         import warnings
-        warnings.warn("CompatCookie is deprecated, use django.http.SimpleCookie instead.",
-                      DeprecationWarning)
+        warnings.warn("CompatCookie is deprecated. Use django.http.SimpleCookie instead.", DeprecationWarning)
 
 from django.conf import settings
 from django.core import signing