Fixed error with ORA-03131 in oracle stored procedures

bindParam function expects length parameter for oci_bind_by_name oci8

lib/Doctrine/DBAL/Statement.php

@@ -116,9 +116,9 @@ class Statement implements \IteratorAggregate, DriverStatement
      * @param integer $type The PDO binding type.
      * @return boolean TRUE on success, FALSE on failure.
      */
-    public function bindParam($name, &$var, $type = PDO::PARAM_STR)
+    public function bindParam($name, &$var, $type = PDO::PARAM_STR, $length = null)
     {
-        return $this->stmt->bindParam($name, $var, $type);
+        return $this->stmt->bindParam($name, $var, $type, $length );
     }
 
     /**