mc: Update to 4.8.33

mc: Update to 4.8.33

For details see:
https://midnight-commander.org/wiki/NEWS-4.8.33

"Major changes since 4.8.32

Starting with this release, we will be using language features that require
a C99 compiler to build.

Core
    Minimal version of Automake is 1.14 (#4604)
    Upgrade C standard to C99 (#4604)
    Support ksh variants as subshell (#3748)
    Improve fish 4.0 shell support (#4597)
    Add support for bash PROMPT_COMMAND being an array (#4599)
    Don't override ENV variable for ash/dash subshell (#4605)
    Don't disable verbose mode if tty baudrate can't be reliably determined
    (#2452)
    New keymap for vim users (#4588)

VFS
    extfs vfs: chmod/chown inside extfs (e.g. zip archive) silently fails
    (#4629)
    Add embedded torrent viewer/vfs (#3100)

Misc
    Code cleanup (#4572, #4593, #4595, #4598)
    Adjust mc-wrappers to work with the new MC_TMPDIR creation logic (#4575)
    Prefer console players for sound, images and video in non-graphical
    sessions (#4479, #4596)
    Support TERM=xterm-clear for FreeBSD users (#2633)
    mc.ext.ini:
        Support for Rust crates file format (#4609)
        Support for OpenEmbedded ipk archives (#4626)
    ext.d: select browser at runtime (#4615)
    Move CI from Travis to GitHub Actions (#4170, #3738, #4602)

Fixes
    Segfault if filter makes file panel empty (#4600)
    Segfault in built-in help when going to the previous topic (#4627)
    Incorrect handling of ext2 attributes of a directory (#4590)
    Failed copy/move operations make ETA inaccurate (#3205, #4613, #4623)
    Hotlist: use after free (#4621)
    mc.ext.ini: typo for apt view command line (#4583)
    mcedit: visual glitches if built with aspell, but libraries not
    installed (#4576)
    mcedit: segfault on new file creation (#4580)
    mcedit: PageDown skips lines in edit window (#4617)
    mcedit: cursor jumps during PageDown in edit window (#4618)
    mvciew: false-positive regex search of BOL (#4587)
    mcdiff: segmentation fault on empty files merge (#4608)
    tar vfs: double free (#4616)
    sftpfs vfs: use after free (#4620)
    tests: fix charset-related code on non-glibc platforms (Alpine,
    Illumos) (#3972, #4495)
    tests: use weak symbols instead of symbol duplication to support
    non-GNU linkers / macOS (#4584, #3542)"

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>
Reviewed-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>