Include errno.h in some tests to get the errno variable on Debian: This patch fails FTBFS I got on Debian system due to missing headers. Signed-off-by: Jiri Palecek <jpalecek@web.de>.
diff --git a/testcases/kernel/syscalls/signalfd4/signalfd4_02.c b/testcases/kernel/syscalls/signalfd4/signalfd4_02.c
index 6b2e1d0..7dce99c 100644
--- a/testcases/kernel/syscalls/signalfd4/signalfd4_02.c
+++ b/testcases/kernel/syscalls/signalfd4/signalfd4_02.c
@@ -55,6 +55,7 @@
#include <stdio.h>
#include <unistd.h>
#include <sys/syscall.h>
+#include <errno.h>
/* Harness Specific Include Files. */
#include "test.h"