MFC: 1.16:

In mountd_precmd(), use rc_args, not mountd_args to
  override the value of mountd_args.  This fixes the problem
  where mountd_args was not properly being set if
  weak_mountd_authentifcation="YES" was set in rc.conf.

PR:             conf/86260
Submitted by:   Thierry Herbelot <thierry at herbelot dot com>
Approved by:	re (kensmith)

etc/rc.d/mountd

@@ -29,11 +29,11 @@ mountd_precmd()
 	#
 	if checkyesno nfs_server_enable ; then
 		if checkyesno weak_mountd_authentication; then
-			mountd_flags="${mountd_flags} -n"
+			rc_flags="${mountd_flags} -n"
 		fi
 	else
 		if checkyesno mountd_enable; then
-			checkyesno weak_mountd_authentication && mountd_flags="-n"
+			checkyesno weak_mountd_authentication && rc_flags="-n"
 		fi
 	fi
 	rm -f /var/db/mountdtab