Added missing brackets

lib/client.js

@@ -72,8 +72,9 @@ client.prototype.request = function(method, path, params, callback){
         path: path
     };
 
-    if(this.proxy_agent)
+    if(this.proxy_agent){
         http_options["agent"] = this.proxy_agent;
+    }
 
     if(["POST", "PUT"].indexOf(http_options["method"]) >= 0){
         http_options["headers"] = {