move fcoin to bcoin

lib/services/p2p/index.js

@@ -7,7 +7,7 @@ var index = require('../../');
 var log = index.log;
 var BaseService = require('../../service');
 var assert = require('assert');
-var Bcoin = require('./fcoin');
+var Bcoin = require('./bcoin');
 var BcoinTx = require('fcoin').tx;
 var Networks = require('flocore-lib').Networks;
 var LRU = require('lru-cache');