Add missing fcntl.h to includes in mount_zfs.c

This is needed for musl libc

Signed-off-by: Carlo Landmeter <clandmeter@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4456

diff --git a/cmd/mount_zfs/mount_zfs.c b/cmd/mount_zfs/mount_zfs.c
index 2fb4d65e92dda54078d7a4641a86d41c99ae302d..3a0462127edf6726471a7b6e2eca7515d9dce07b 100644 (file)
--- a/cmd/mount_zfs/mount_zfs.c
+++ b/cmd/mount_zfs/mount_zfs.c
@@ -33,6 +33,7 @@
 #include <libzfs.h>
 #include <locale.h>
 #include <getopt.h>
+#include <fcntl.h>
 
 #define        ZS_COMMENT      0x00000000      /* comment */
 #define        ZS_ZFSUTIL      0x00000001      /* caller is zfs(8) */