Destroy/end connections removed from the pool on error

fixes mysqljs#1072

Author: dougwilson

Changes.md

@@ -6,6 +6,7 @@ you spot any mistakes.
 
 ## HEAD
 
+* Destroy/end connections removed from the pool on error
 * Delay implied connect until after `.query` argument validation
 * Do not remove connections with non-fatal errors from the pool
 * Error early if `callback` argument to `.query` is not a function #1060

lib/PoolConnection.js

@@ -54,13 +54,13 @@ PoolConnection.prototype.destroy = function () {
   return Connection.prototype.destroy.apply(this, arguments);
 };
 
-PoolConnection.prototype._removeFromPool = function(connection) {
+PoolConnection.prototype._removeFromPool = function _removeFromPool() {
   if (!this._pool || this._pool._closed) {
     return;
   }
 
   var pool = this._pool;
   this._pool = null;
 
-  pool._removeConnection(this);
+  pool._purgeConnection(this);
 };