Some cosmetic fixes

src/hdwallet.js

@@ -81,8 +81,10 @@ HDWallet.fromBytes = function(input) {
 
   for(var name in Network) {
     var network = Network[name]
+
     for(var t in network.hdVersions) {
       if (versionWord != network.hdVersions[t]) continue
+
       type = t
       hd.network = name
     }