Fixed double call to MSHUTDOWN in case of `php-cgi -m`

sapi/cgi/cgi_main.c

@@ -238,6 +238,7 @@ static void print_extensions(TSRMLS_D)
 	zend_llist sorted_exts;
 
 	zend_llist_copy(&sorted_exts, &zend_extensions);
+	sorted_exts.dtor = NULL;
 	zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC);
 	zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC);
 	zend_llist_destroy(&sorted_exts);