squash: address third refack nit

Author: Trott

lib/url.js

@@ -584,9 +584,11 @@ Url.prototype.format = function format() {
   if (this.host) {
     host = auth + this.host;
   } else if (this.hostname) {
-    host = auth + (this.hostname.indexOf(':') === -1 ?
-      this.hostname :
-      '[' + this.hostname + ']');
+    host = auth + (
+      this.hostname.indexOf(':') === -1 ?
+        this.hostname :
+        '[' + this.hostname + ']'
+    );
     if (this.port) {
       host += ':' + this.port;
     }