Fixing some misplaced variables

Some variables were incorrect

extensions/kraken/exchange.js

@@ -90,7 +90,7 @@ module.exports = function container(get, set, clear) {
  asset: 0,
  currency: 0
  };
- if (error || data.error.length) {
+ if (err || data.error.length) {
  console.error('\ggetBalance error:')
  console.error(data)
  return retry('getBalance', args)
@@ -111,18 +111,18 @@ module.exports = function container(get, set, clear) {
  getQuote: function (opts, cb) {
  var args = [].slice.call(arguments);
  var client = publicClient();
-
+ var pair = joinProduct(opts.product_id)
  client.api('Ticker', {
- pair: joinProduct(opts.product_id)
+ pair: pair
  }, function (error, data) {
  if (error || data.error.length) {
  console.error('\ggetQuote error:')
  console.error(data)
  return retry('getQuote', args)
  }
  cb(null, {
- bid: data.result[opts.pair].b[0],
- ask: data.result[opts.pair].a[0],
+ bid: data.result[pair].b[0],
+ ask: data.result[pair].a[0],
  })
  });
  },
@@ -205,7 +205,7 @@ module.exports = function container(get, set, clear) {
  if(!orderData) {
  return cb('Order not found');
  }
- 
+
  var order = {
  id: orderData.refid,
  status: orderData.status,
@@ -226,4 +226,4 @@ module.exports = function container(get, set, clear) {
  }
  }
  return exchange
-}
+}