Log Message:
- Update to wavpack-4.50.1.
- Set LICENSE=modified-bsd
- Give the package to pkgsrc-users

WavPack Library Source Code - 4.50.1
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fixed: alignment fault when manipulating APEv2 tags (non-x86 only)
fixed: build on UNIX via elimination of non-standard strnlen()

wavpack.exe (command-line encoder) - 4.50.1
wvunpack.exe (command-line decoder) - 4.50.1
--------------------------------------------
fixed: checking return value of iconv_open() prevents core dump on Solaris

WavPack Library Source Code - 4.50
----------------------------------
added: dynamic noise shaping for improved hybrid quality
added: option to merge blocks of similar redundancy
added: ability to store and retrieve extra mode level
fixed: alignment fault on some big-endian machines
fixed: compiling with enable-mmx on gcc 4.3.x (thanks Joachim)
improved: allow bitrate to be calculated for files down to 1/10 second
improved: decoding of corrupt files (prevents heap overrun crashes)

wavpack.exe (command-line encoder) - 4.50
-----------------------------------------
added: dynamic noise shaping for improved hybrid quality
added: --channel-order option to reorder nonconforming multichannel files
added: --merge-blocks option to optimize storage of LossyWAV output files
added: ignore -o on Windows for compatibility with Linux version
fixed: alignment fault on some big-endian machines
improved: reformatted and expanded --help display

wvunpack.exe (command-line decoder) - 4.50
------------------------------------------
fixed: don't ignore fractions of seconds in --skip option
added: show extra level and dns status for newer files (-s command)
added: ignore -o on Windows for compatibility with Linux version
improved: decoding of corrupt files (prevents heap overrun crashes)
improved: display bitrate for files down to 1/10 second