selftests/timens: Print TAP headers

The TAP specification requires that the output begins with a header line.
These headers lines are missing in the timens tests.

Print such a line.

Link: https://lore.kernel.org/r/20250502-selftests-timens-fixes-v1-1-fb517c76f04d@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

Author: t-8ch

tools/testing/selftests/timens/clock_nanosleep.c

@@ -115,6 +115,8 @@ int main(int argc, char *argv[])
 {
 	int ret, nsfd;
 
+	ksft_print_header();
+
 	nscheck();
 
 	ksft_set_plan(4);

tools/testing/selftests/timens/exec.c

@@ -36,6 +36,8 @@ int main(int argc, char *argv[])
 		return 0;
 	}
 
+	ksft_print_header();
+
 	nscheck();
 
 	ksft_set_plan(1);

tools/testing/selftests/timens/futex.c

@@ -66,6 +66,8 @@ int main(int argc, char *argv[])
 	pid_t pid;
 	struct timespec mtime_now;
 
+	ksft_print_header();
+
 	nscheck();
 
 	ksft_set_plan(2);

tools/testing/selftests/timens/gettime_perf.c

@@ -67,6 +67,8 @@ int main(int argc, char *argv[])
 	time_t offset = 10;
 	int nsfd;
 
+	ksft_print_header();
+
 	ksft_set_plan(8);
 
 	fill_function_pointers();

tools/testing/selftests/timens/procfs.c

@@ -180,6 +180,8 @@ int main(int argc, char *argv[])
 {
 	int ret = 0;
 
+	ksft_print_header();
+
 	nscheck();
 
 	ksft_set_plan(2);

tools/testing/selftests/timens/timens.c

@@ -151,6 +151,8 @@ int main(int argc, char *argv[])
 	time_t offset;
 	int ret = 0;
 
+	ksft_print_header();
+
 	nscheck();
 
 	check_supported_timers();

tools/testing/selftests/timens/timer.c

@@ -75,6 +75,8 @@ int main(int argc, char *argv[])
 	pid_t pid;
 	struct timespec btime_now, mtime_now;
 
+	ksft_print_header();
+
 	nscheck();
 
 	check_supported_timers();

tools/testing/selftests/timens/timerfd.c

@@ -82,6 +82,8 @@ int main(int argc, char *argv[])
 	pid_t pid;
 	struct timespec btime_now, mtime_now;
 
+	ksft_print_header();
+
 	nscheck();
 
 	check_supported_timers();

tools/testing/selftests/timens/vfork_exec.c

@@ -91,6 +91,8 @@ int main(int argc, char *argv[])
 		return check("child after exec", &now);
 	}
 
+	ksft_print_header();
+
 	nscheck();
 
 	ksft_set_plan(4);