- Oskar Liljeblad <osk@hem.passagen.se> pointed out and corrected a problem

in the Location: following system that made curl following a location: to a
   different protocol to fail.

lib/url.c

@@ -533,6 +533,8 @@ UrgError curl_urlget(UrgTag tag, ...)
 
       infof(data, "Follows Location: to new URL: '%s'\n", data->url);
 
+      data->port = 0; /* clear the port number so that we don't make any silly
+                         assumptions for the new URL! */
       /* clean up the sockets and SSL stuff from the previous "round" */
       urlfree(data, FALSE);