cddl>sbin>zfs more build warnings

/usr/home/aprieger/repos/freebsd-master/freebsd/cddl/contrib/opensolaris/cmd/zfs/
zfs_main.c:2196:49: warning: format specifies type 'unsigned long' but the argume
nt has type 'unsigned long long' [-Wformat]
                    "ZFS filesystem version %"PRIu64".\n\n"), ZPL_VERSION);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   ^~~~~~~~~~~
/usr/home/aprieger/repos/freebsd-master/freebsd/sys/cddl/contrib/opensolaris/uts/
common/sys/fs/zfs.h:483:23: note: expanded from macro 'ZPL_VERSION'
#define ZPL_VERSION                     ZPL_VERSION_5
                                        ^~~~~~~~~~~~~
/usr/home/aprieger/repos/freebsd-master/freebsd/sys/cddl/contrib/opensolaris/uts/
common/sys/fs/zfs.h:482:25: note: expanded from macro 'ZPL_VERSION_5'
#define ZPL_VERSION_5                   5ULL
                                        ^~~~
1 warning generated.