Index: lib/util/util_crypt.c
--- lib/util/util_crypt.c.orig
+++ lib/util/util_crypt.c
@@ -2,7 +2,11 @@
 #include "data_blob.h"
 #include "discard.h"
 #include <talloc.h>
+#ifdef __FreeBSD__
+#include <unistd.h>
+#else
 #include <crypt.h>
+#endif
 #include "util_crypt.h"