fix typo

Author: krvajal

package.json

@@ -106,7 +106,7 @@
     },
     "devDependencies": {
         "typescript": "^2.0.3",
-        "vscode": " "^1.0.3",
+        "vscode": "^1.0.3",
         "mocha": "^2.3.3",
         "@types/node": "^6.0.40",
         "@types/mocha": "^2.2.32",