Fix

Author: k06a

Diff for: lib/privatekey.js

@@ -308,9 +308,9 @@ PrivateKey.prototype.toCompressedWIF = function() {
   var network = this.network;
   var compressed = this.compressed;
 
-  buf = Buffer.concat([new Buffer([network.privatekey]),
-                      this.bn.toBuffer({size: 32}),
-                      new Buffer([0x01])]);
+  var buf = Buffer.concat([new Buffer([network.privatekey]),
+                          this.bn.toBuffer({size: 32}),
+                          new Buffer([0x01])]);
 
   return Base58Check.encode(buf);
 };