https: simpler argument check

Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

lib/https.js

@@ -45,9 +45,7 @@ function createConnection(port, host, options) {
     options = port;
   } else if (host !== null && typeof host === 'object') {
     options = host;
-  } else if (options !== null && typeof options === 'object') {
+  } else if (options === null || typeof options !== 'object') {
-    options = options;
-  } else {
     options = {};
   }