Index: head/tools/regression/tls/ttls2/ttls2.c
===================================================================
--- head/tools/regression/tls/ttls2/ttls2.c	(revision 291982)
+++ head/tools/regression/tls/ttls2/ttls2.c	(revision 291983)
@@ -1,36 +1,42 @@
 /* $FreeBSD$ */
 
-#include <stdio.h>
 #include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
 
 int __thread i;
 
 void *
 foo1(void *arg)
 {
 	printf("thread %p, &i = %p\n", pthread_self(), &i);
 	for (i = 0; i < 10; i++) {
 		printf("thread %p, i = %d\n", pthread_self(), i);
 		sleep(1);
 	}
+	return (NULL);
 }
 
 void *
 foo2(void *arg)
 {
 	printf("thread %p, &i = %p\n", pthread_self(), &i);
 	for (i = 10; i > 0; i--) {
 		printf("thread %p, i = %d\n", pthread_self(), i);
 		sleep(1);
 	}
+	return (NULL);
 }
 
-int main(int argc, char** argv)
+int
+main(int argc, char** argv)
 {
 	pthread_t t1, t2;
 
 	pthread_create(&t1, 0, foo1, 0);
 	pthread_create(&t2, 0, foo2, 0);
 	pthread_join(t1, 0);
 	pthread_join(t2, 0);
+
+	return (0);
 }