arch-s390.h uses types from std.h, but does not include it.
Depending on the inclusion order the compilation can fail.
Include std.h explicitly to avoid these errors.

Fixes: 404fa87c0eaf ("tools/nolibc: s390: provide custom implementation for sys_fork")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
 tools/include/nolibc/arch-s390.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/include/nolibc/arch-s390.h b/tools/include/nolibc/arch-s390.h
index 2ec13d8b9a2db80efa8d6cbbbd01bfa3d0059de2..f9ab83a219b8a2d5e53b0b303d8bf0bf78280d5f 100644
--- a/tools/include/nolibc/arch-s390.h
+++ b/tools/include/nolibc/arch-s390.h
@@ -10,6 +10,7 @@
 
 #include "compiler.h"
 #include "crt.h"
+#include "std.h"
 
 /* Syscalls for s390:
  *   - registers are 64-bit

---
base-commit: e477dba5442c0af7acb9e8bbbbde1108a37ed39c
change-id: 20240927-nolibc-s390-std-h-cbb13f70fa73

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@linutronix.de>