move call to php_execute_pre_request_shutdown() into php_request_shutdown()

so it will be called when script terminated due to call to exit().

main/main.c

@@ -797,6 +797,8 @@ void php_request_shutdown(void *dummy)
 	ELS_FETCH();
 	SLS_FETCH();
 
+	php_execute_pre_request_shutdown(PLS_C);
+
 	sapi_send_headers();
 	php_end_ob_buffering(SG(request_info).headers_only?0:1);
 
@@ -1298,7 +1300,6 @@ PHPAPI void php_execute_script(zend_file_handle *primary_file CLS_DC ELS_DC PLS_
 		EG(active_op_array) = EG(main_op_array);
 		php_execute_post_request_startup(PLS_C);
 		zend_execute(EG(main_op_array) ELS_CC);
-		php_execute_pre_request_shutdown(PLS_C);
 	}
 }