MFH: set second argument of gettimeofday() to NULL (fixes #48346,

patch by adriano at guiadohardware dot net)

ext/standard/microtime.c

@@ -54,13 +54,12 @@ static void _php_gettimeofday(INTERNAL_FUNCTION_PARAMETERS, int mode)
 {
 	zend_bool get_as_float = 0;
 	struct timeval tp = {0};
-	struct timezone tz = {0};
 
 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &get_as_float) == FAILURE) {
 		return;
 	}
 
-	if (gettimeofday(&tp, &tz)) {
+	if (gettimeofday(&tp, NULL)) {
 		RETURN_FALSE;
 	}