Fixed https handling on other ports than 443 [Alan Gano]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@637 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/request.rb

@@ -78,7 +78,7 @@ def request_uri
     end
 
     def protocol
-      port == 443 ? 'https://' : 'http://'
+      env["HTTPS"] == "on" ? 'https://' : 'http://'
     end
 
     def ssl?