[fixed] npm main entry

Author: ryanflorence

package.json

@@ -2,7 +2,7 @@
   "name": "react-autocomplete",
   "version": "0.1.2",
   "description": "Accessible, extensible, Autocomplete for React.js",
-  "main": "./lib/index.js",
+  "main": "./build/lib/index.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/rackt/react-autocomplete.git"
@@ -34,4 +34,4 @@
   "dependencies": {
     "dom-scroll-into-view": "1.0.1"
   }
-}
+}