reduced the size of the fallback file

browserify/crypto.fallback.js

@@ -4,7 +4,7 @@
   var createHash = require('create-hash');
   var pbkdf2 = require('pbkdf2');
   var aes = require('browserify-aes');
-  var ec = require('elliptic').ec('p256');
+  var ec = require('elliptic/lib/elliptic/ec')('p256');
 
   function sha256(buf) {
     return createHash('sha256').update(buf).digest();