update with 1.2.6

zlib-1.2.5/contrib/puff/Makefile

zlib-1.2.5/old/visualc6/README.txt

zlib-1.2.5/old/visualc6/example.dsp

zlib-1.2.5/old/visualc6/minigzip.dsp

zlib-1.2.5/old/visualc6/zlib.dsp

zlib-1.2.5/old/visualc6/zlib.dsw

zlib-1.2.5/zlib.3.pdf

zlib-1.2.6/CMakeLists.txt

zlib-1.2.6/ChangeLog

zlib-1.2.6/FAQ

zlib-1.2.6/INDEX

zlib-1.2.6/Makefile

zlib-1.2.6/Makefile.in

zlib-1.2.6/README

zlib-1.2.6/adler32.c

zlib-1.2.6/amiga/Makefile.pup

zlib-1.2.6/amiga/Makefile.sas

zlib-1.2.6/as400/bndsrc

zlib-1.2.6/as400/compile.clp

zlib-1.2.6/as400/readme.txt