test: include unistd.h for _exit() used in ASSERT_SIGNAL()

Similar to c56e251d3f.
2025-08-04 10:38:54 +01:00
parent f9711c771a
commit 2cc743db4f
1 changed files with 2 additions and 0 deletions
@@ -1,6 +1,8 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once

+#include <unistd.h>
+
 #include "errno-list.h"
 #include "errno-util.h"
 #include "forward.h"