main d.ts changed location after build

Tools/Gulp/config.json

@@ -1833,7 +1833,7 @@
             "srcOutputDirectory": "../../Viewer/",
             "dtsBundle": {
                 "name": "babylonjs-viewer",
-                "main": "../../Viewer/src/index.d.ts",
+                "main": "../../Viewer/dist/build/src/index.d.ts",
                 "out": "../../dist/preview release/viewer/babylon.viewer.module.d.ts",
                 "prependText": "/// <reference path=\"./babylon.d.ts\"/>\n/// <reference path=\"./babylon.glTF2Interface.d.ts\"/>\n/// <reference path=\"./babylonjs.loaders.d.ts\"/>\ndeclare module \"babylonjs-loaders\"{ export=BABYLON;}\n"
             },