Added defines for mysqld_error_find_printf_error_used

This is to make it easier to use the
create_mysqld_error_find_printf_error tool to find wrong print

sql/sql_class.h

@@ -4163,6 +4163,11 @@ public:
   {
     parse_error(ER_SYNTAX_ERROR);
   }
+#ifdef mysqld_error_find_printf_error_used
+  void parse_error(const char *t)
+  {
+  }
+#endif
 private:
   /*
     Only the implementation of the SIGNAL and RESIGNAL statements