- (djm) [auth-pam.c auth-shadow.c auth2-none.c cleanup.c sshd.c]
   [openbsd-compat/port-tun.c openbsd-compat/port-tun.h] Sprinkle more
   includes for Linux in
diff --git a/sshd.c b/sshd.c
index 52c21e5..9f14c33 100644
--- a/sshd.c
+++ b/sshd.c
@@ -68,6 +68,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <openssl/dh.h>
 #include <openssl/bn.h>