Update to 2.2.5
Install the man file
Approved by: wiz@(maintainer)

Upstream changes;
pigz version 2.2.5 has been released and is now available at http://zlib.net/pigz/ .  The main changes since 2.2.4 are:
- Change suffix to .tar when decompressing or listing .tgz.
- Print name of executable in error messages.
- Show help properly when the name is unpigz or gunzip.
- Fix permissions security problem before output is closed.

pigz version 2.2.4 has been released and is now available at http://zlib.net/pigz/ .  The main changes since 2.2.3 are:
- Improve the portability of printing the off_t type
- Fix bug in zip (-K) output
- Remove thread portability #defines in pigz.c

pigz version 2.2.3 is now available at http://zlib.net/pigz/ .  The main changes since 2.1.7 are:
- Add --rsyncable functionality
- Improve thread portability
- Fix the printing of 32-bit check values when listing

pigz version 2.1.7 is now available at http://zlib.net/pigz/ .  The changes from 2.1.6 are:
- Avoid unused parameter warning in reenter()
- Don't assume 2's complement ints in compress_thread()
- Replicate gzip -cdf cat-like behavior
- Replicate gzip -- option to suppress option decoding
- Test output from make test instead of showing it
- Updated pigz.spec to install unpigz, pigz.1 [Obermaier]
- Add PIGZ environment variable [Mueller]
- Replicate gzip suffix search when decoding or listing
- Fix bug in load() to set in_left to zero on end of file
- Do not check suffix when input file won't be modified
- Decompress to stdout if name is "*cat" [Hayasaka]
- Write data descriptor signature to be like Info-ZIP
- Update and sort options list in help
- Use CC variable for compiler in Makefile
- Exit with code 2 if a warning has been issued
- Fix thread synchronization problem when tracing
- Change macro name MAX to MAX2 to avoid library conflicts
- Determine number of processors on HP-UX [Lloyd]


(wen)