fix nvnc, zeromq, icheck and unity-webapi definitions

node_zeromq/zmq-tests.ts

@@ -1,7 +1,6 @@
 /// <reference path='zmq.d.ts' />
 
-import zeromq = module('zmq');
-var zmq: zeromq;
+import zmq = module('zmq');
 
 function test1() {
     var sock = zmq.socket('push');

node_zeromq/zmq.d.ts

@@ -3,7 +3,7 @@
 // Definitions by: Dave McKeown <http://github.com/davemckeown>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
-declare interface EventEmitter {};
+interface EventEmitter {}
 
 declare module 'zmq' {