git: zlib: Upgrade from version 1.2.7 to 1.2.8

[John Marino <marino@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 114b3750769a7a57753cce5d9faf22d87d906fbb
Author: John Marino <draco@marino.st>
Date:   Wed May 8 20:52:13 2013 +0200

    zlib: Upgrade from version 1.2.7 to 1.2.8
    
    There were four releases since the last update.  These bullets were
    selectively removed from the Changelog:
    
    Changes in 1.2.7.1 (24 Mar 2013)
    - Replace use of unsafe string functions with snprintf if available
    - Fix gzgetc undefine when Z_PREFIX set [Turk]
    - Fix bug in 'F' mode for gzopen()
    - Add inflateGetDictionary() function
    - Correct comment in deflate.h
    - Delete "--version" file if created by "ar --version" [Richard G.]
    - Remove unused variable in infback9.c
    - Fix argument checks in gzlog_compress() and gzlog_write()
    - Clean up the usage of z_const and respect const usage within zlib
    - Avoid shift equal to bits in type (caused endless loop)
    - Fix unintialized value bug in gzputc() introduced by const patches
    - Fix memory allocation error in examples/zran.c [Nor]
    - Fix bug where gzopen(), gzclose() would write an empty file
    - Fix bug in gzclose() when gzwrite() runs out of memory
    - Add note to contrib/blast to use binary mode in stdio
    - Fix comparisons of differently signed integers in contrib/blast
    - Check for invalid code length codes in contrib/puff
    - Fix serious but very rare decompression bug in inftrees.c
    - Update inflateBack() comments, since inflate() can be faster
    - Use underscored I/O function names for WINAPI_FAMILY
    - Add _tr_flush_bits to the external symbols prefixed by --zprefix
    - Fix casting error in contrib/testzlib/testzlib.c
    - Fix types in contrib/minizip to match result of get_crc_table()
    - Simplify contrib/vstudio/vc10 with 'd' suffix
    - Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
    - Add gzvprintf() as an undocumented function in zlib
    - Remove runtime check in configure for four-byte integer type
    - Add casts and consts to ease user conversion to C++
    - Do not return Z_BUF_ERROR if deflateParam() has nothing to write
    
    Changes in 1.2.7.2 (13 Apr 2013)
    - Change check for a four-byte type back to hexadecimal
    - Fix typo in win32/Makefile.msc
    - Add casts in gzwrite.c for pointer differences
    
    Changes in 1.2.7.3 (13 Apr 2013)
    [Not applicable]
    
    Changes in 1.2.8 (28 Apr 2013)
    - Do not force Z_CONST for C++
    - Correct spelling error in zlib.h

Summary of changes:
 contrib/zlib-1.2/README.DRAGONFLY | 12 ++++++------
 lib/libz/zconf.h                  | 33 +++++++++++++++++++--------------
 2 files changed, 25 insertions(+), 20 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/114b3750769a7a57753cce5d9faf22d87d906fbb


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