Alexandre Julliard : png: Import upstream release 1.6.42.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1e5cc509a70068c302daf585f5e6e4a57629c7eb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/1e5cc509a70068c302daf585f5e6e4a...

Author: Alexandre Julliard 
Date:   Sat Feb 17 18:24:51 2024 +0100

png: Import upstream release 1.6.42.

---

libs/png/AUTHORS      |  30 ++++---
 libs/png/LICENSE      |   4 +-
 libs/png/png.c        |  73 +++------------
 libs/png/png.h        |  50 ++++++-----
 libs/png/pngconf.h    |   4 +-
 libs/png/pngerror.c   |  34 +++----
 libs/png/pngget.c     | 245 ++++++++++++++++++++++++++------------------------
 libs/png/pnglibconf.h |  11 ++-
 libs/png/pngpriv.h    | 118 +++++++++++++++++++-----
 libs/png/pngread.c    |   8 +-
 libs/png/pngrtran.c   |   6 +-
 libs/png/pngrutil.c   |  19 ++--
 libs/png/pngset.c     |  22 +++--
 libs/png/pngtrans.c   |  14 +--
 libs/png/pngwrite.c   |  19 ++--
 libs/png/pngwutil.c   |  10 +--
 16 files changed, 371 insertions(+), 296 deletions(-)