fix path

Author: makotot

package.json

@@ -1,11 +1,11 @@
 {
   "name": "react-scrollspy",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "react scrollspy component",
-  "main": "./lib/scrollspy.js",
+  "main": "./lib/Scrollspy.js",
   "files": [
     "README.md",
-    "lib/scrollspy.js",
+    "lib/Scrollspy.js",
     "lib/throttle.js",
     "package.json",
     "webpack.config.babel.js",