Update license-sniffer to fix license comments

Author: mwilliamson

package.json

@@ -26,7 +26,7 @@
   "devDependencies": {
     "mocha": "~1.8",
     "browserify": "~3.33.0",
-    "license-sniffer": "~0.1.0",
+    "license-sniffer": "~0.1.2",
     "duck": "~0.1.11",
     "uglify-js": "~2.4.8",
     "temp": "~0.7.0",