replace internal module to namespace

ix.js/ix.d.ts

@@ -5,7 +5,7 @@
 
 ///<reference path="l2o.d.ts"/>
 
-declare module Ix {
+declare namespace Ix {
 
 	export interface Observer<T> {
 		onNext? (value: T): void;
@@ -114,4 +114,4 @@ declare module Ix {
 
 declare module "ix" {
 	export = Ix;
-}
+}

ix.js/l2o.d.ts

@@ -3,7 +3,7 @@
 // Definitions by: Igor Oleinikov <https://github.com/Igorbek>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
-declare module Ix {
+declare namespace Ix {
 	export interface Disposable {
 		dispose(): void;
 	}