Fix trychange.py --host and --port to work as expected

Review URL: http://codereview.chromium.org/174244

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@23999 0039d316-1c4b-4281-b951-d872f2087c98

trychange.py

@@ -485,7 +485,7 @@ def TryChange(argv,
 
   # Switch the default accordingly if there was no default send_patch.
   if not options.send_patch:
-    if options.http_port and options.http_host:
+    if options.port and options.host:
       options.send_patch = _SendChangeHTTP
     elif options.svn_repo:
       options.send_patch = _SendChangeSVN