Fix missing unistd include.

diff --git a/lib/utils_fips.c b/lib/utils_fips.c
index 759890d..d6d4b1d 100644 (file)
--- a/lib/utils_fips.c
+++ b/lib/utils_fips.c
@@ -18,6 +18,7 @@
  */
 
 #include <stdlib.h>
+#include <unistd.h>
 #include "libcryptsetup.h"
 #include "nls.h"
 #include "utils_fips.h"