Remove superfluous 'new'

lib/child_process.js

@@ -33,7 +33,7 @@ var Pipe;
 function createPipe(ipc) {
   // Lazy load
   if (!Pipe) {
-    Pipe = new process.binding('pipe_wrap').Pipe;
+    Pipe = process.binding('pipe_wrap').Pipe;
   }
 
   return new Pipe(ipc);