Updated to latest release, 2.2.3. Fixed PKGMANDIR setting during configure
(via SUBST instead of an extra patch). A couple new PLIST additions. From
changelog:

(+) = new stuff
(*) = fixed stuff
(-) = removed stuff
(~) = changed stuff

* crash when displaying very large aliases
* +password in ENCRMSG is not treated as a FiSH key if FiSH is not available
* slashes (on Unix) and backslashes (on Windows) in channel names are converted
  to underscores in per channel logging
+ SET DEFAULT_PROTOCOL to specify default IP protocol for server connections
* parallel make install
* respect CPP flags in Makefile
* dependencies in Makefile, fixes build on Debian sid
* example for REGEXPREP
* MODE #channel I/e/b for IPv6 addresses
~ set AI_ADDRCONFIG flag for IP lookups when IPv6 support is enabled
* update target directory for manual page to modern /usr/share/man
+ parsing of numeric 378 for freenode
* configure now exits if it can't find a working libtermcap / libncurses
+ half-op counters are now displayed in NWHOIS
* various small fixes
* memory / fd leaks reported by valgrind
- ICB support
+ IRC servers can now be grouped
+ TRACE facility, read HELP SET TRACE for more information (this is optional and
  has to be enabled in defs.h and is meant to help me track down bugs faster)
* annoying bug where bound channels would sometimes get relocated to a random
  window on reconnect
* do not lose one page of scrollback buffer after CLEAR
* compilation on FreeBSD 10
* IPv6 address formatting
* SHOWUSER formatting of long user@host strings
* reconnect when server is specified as IPv6 address
* active servers can no longer be deleted
+ new ignore types NICK for nick changes and QUIT for sign off messages