--- a/src/utils/mount.ecryptfs_private.c	2015-02-10 17:59:34.000000000 +0100
+++ b/src/utils/mount.ecryptfs_private.c	2015-08-07 15:21:39.847867532 +0200
@@ -32,6 +32,7 @@
 #include <sys/types.h>
 #include <ctype.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <keyutils.h>
 #include <mntent.h>
 #include <pwd.h>