fixed package.json bug

package.json

@@ -16,7 +16,7 @@
     "gulp-sass": "^2.0.1",
     "gulp-shell": "^0.5.2",
     "gulp-watch": "^4.2.4",
-    "gulp-webserver": "^0.9.1",
+    "gulp-webserver": "^0.9.1"
   },
   "dependencies": {}
 }