Increase iconv-lite dependency to include support for BOM handling.

Author: heldinz

package.json

@@ -31,7 +31,7 @@
   ],
   "dependencies": {
     "gulp-util": "^3.0.6",
-    "iconv-lite": "^0.4.4",
+    "iconv-lite": "^0.4.9",
     "through2": "^2.0.0"
   },
   "devDependencies": {