pngcheck: PNG file format checker

    2021-04-14 09:20           0 usr/
    2021-04-14 09:20           0 usr/bin/
    2021-04-14 09:20      108032 usr/bin/pngcheck.exe
    2021-04-14 09:20           0 usr/share/
    2021-04-14 09:20           0 usr/share/doc/
    2021-04-14 09:20           0 usr/share/doc/Cygwin/
    2021-04-14 09:20        2424 usr/share/doc/Cygwin/pngcheck.README
    2021-04-14 09:20           0 usr/share/doc/pngcheck/
    2021-04-14 09:20       15415 usr/share/doc/pngcheck/CHANGELOG
    2021-04-14 09:20        1336 usr/share/doc/pngcheck/LICENSE
    2021-04-14 09:20        4026 usr/share/doc/pngcheck/README
    2021-04-14 09:20           0 usr/share/man/
    2021-04-14 09:20           0 usr/share/man/man1/
    2021-04-14 09:20         693 usr/share/man/man1/pngcheck.1.gz