dc(1): init array field in the proper place.

Obtained-from: OpenBSD
Found-by: Sebastien Marie
mountd - IPv6 fixes for parsing and error checking

- Fix numerous problems with netmasks in /etc/exports
- Improved get_net() and fixed an error with partial networks such
  as '127.1'
- More information in the SVN commit message

Taken from: FreeBSD SVN 75801
kernel/acpi: Add missing ACPI_SERIAL_INIT calls for lock initialization.