Fix to MXS-166

Added a call to thd->end_statement in parsing_info_done

query_classifier/query_classifier.cc

@@ -1485,7 +1485,8 @@ void parsing_info_done(
         void* ptr)
 {
         parsing_info_t* pi;
-	
+	THD* thd;
+
 	if (ptr)
 	{
 		pi = (parsing_info_t *)ptr;
@@ -1496,6 +1497,8 @@ void parsing_info_done(
 			
 			if (mysql->thd != NULL)
 			{
+                                thd = (THD*)mysql->thd;
+                                thd->end_statement ();
 				(*mysql->methods->free_embedded_thd)(mysql);
 				mysql->thd = NULL;
 			}