Fixed an inconsistancy in redirects with `META['SERVER_PORT']` being either a string or an int.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8666 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/http/__init__.py

@@ -52,8 +52,8 @@ class HttpRequest(object):
         else:
             # Reconstruct the host using the algorithm from PEP 333.
             host = self.META['SERVER_NAME']
-            server_port = self.META['SERVER_PORT']
-            if server_port != (self.is_secure() and 443 or 80):
+            server_port = str(self.META['SERVER_PORT'])
+            if server_port != (self.is_secure() and '443' or '80'):
                 host = '%s:%s' % (host, server_port)
         return host