fix void return type

Author: Liu Shangji

ext/standard/basic_functions.stub.php

@@ -66,9 +66,9 @@ function ksort(array &$stack, int $sort_flags = PHP_SORT_REGULAR): bool {}
 
 function count(mixed $array, int $mode = COUNT_NORAML): bool {}
 
-function natsort(array &$stack){}
+function natsort(array &$stack): void {}
 
-function natcasesort(array &$stack){}
+function natcasesort(array &$stack): void {}
 
 function asort(array &$stack, int $sort_flags = PHP_SORT_REGULAR): bool {}
 

ext/standard/basic_functions_arginfo.h

@@ -82,7 +82,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_count, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, mode, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_INFO_EX(arginfo_natsort, 0, 0, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_natsort, 0, 1, IS_VOID, 0)
 	ZEND_ARG_TYPE_INFO(1, stack, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()