Upstream announced new release which includes fixes for 21 CVEs (see
[1]).
Upstream changed the symlink "mkfs.ntfs" to respect "--sbin-dir". So
this commit adjusts this likewise in the Makefile.
[1] https://www.openwall.com/lists/oss-security/2021/08/30/1
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>