lzip: Update to version 1.23

lzip: Update to version 1.23

- Update from 1.22 to 1.23
- Update of rootfile not required
- Changelog
   Version 1.23 released.
	* Decompression time has been reduced by 5-12% depending on the file.
	* main.cc (getnum): Show option name and valid range if error.
	* Improve several descriptions in manual, '--help', and man page.
	* lzip.texi: Change GNU Texinfo category to 'Compression'.
	  (Reported by Alfred M. Szmidt).

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>