replace internal module to namespace

compression/compression.d.ts

@@ -8,7 +8,7 @@
 declare module "compression" {
     import express = require('express');
 
-    module e {
+    namespace e {
         interface CompressionOptions  {
             threshold?: number;
             filter?: Function;
@@ -17,4 +17,4 @@ declare module "compression" {
 
     function e(options?: e.CompressionOptions): express.RequestHandler;
     export = e;
-}
+}