Remove an unnecessary space.

lib/transaction/transaction.js

@@ -230,7 +230,7 @@ Transaction.prototype._isFeeTooLarge = function(opts) {
   var maximumFee = Math.floor(Transaction.FEE_SECURITY_MARGIN * this._estimateFee());
   if (fee > maximumFee) {
     if (this._missingChange()) {
-      return new errors.Transaction.ChangeAddressMissing( 'Fee is too large and no change address was provided');
+      return new errors.Transaction.ChangeAddressMissing('Fee is too large and no change address was provided');
     }
     return new errors.Transaction.FeeError.TooLarge('expected less than ' + maximumFee + ' but got ' + fee);
   }