Update filesystems magic to CVS version 1.106.

Submitted by:	madpilot
Vendor import of file 5.21.
MFV r275696: file 5.21.

MFC after:	 2 weeks
Revert r275695: nd6_dad_find() was already correct.

Reported by:	ae, kib
Pointy hat to:	markj
Make sure callbacks being freed are not pending when the
"mlx4_en_deactivate_cq()" function returns.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
Merge remote-tracking branch 'freebsd/master' into hardened/current/master