mount: support for "-o mand"

diff --git a/util-linux/mount.c b/util-linux/mount.c
index f73ad60..2ceabce 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -135,6 +135,8 @@
 		/* "noatime"     */ MS_NOATIME,
 		/* "diratime"    */ ~MS_NODIRATIME,
 		/* "nodiratime"  */ MS_NODIRATIME,
+		/* "mand"        */ MS_MANDLOCK,
+		/* "nomand"      */ ~MS_MANDLOCK,
 		/* "loud"        */ ~MS_SILENT,
 
 		// action flags
@@ -185,6 +187,8 @@
 		"noatime" "\0"
 		"diratime" "\0"
 		"nodiratime" "\0"
+		"mand" "\0"
+		"nomand" "\0"
 		"loud" "\0"
 
 		// action flags