libxcrypt: Update to version 4.4.26

libxcrypt: Update to version 4.4.26

- v2 version is to extend from 4.4.25 to 4.4.26
- Update from 4.4.23 to 4.4.26
- Update of rootfile not required
- Changelog
   Version 4.4.26
    * Fix compilation on systems with GCC >= 10, that do not support
      declarations with __attribute__((symver)).
   Version 4.4.25
    * Add support for Python 3.11 in the configure script.
    * Stricter checking of invalid salt characters (issue #135).
      Hashed passphrases are always entirely printable ASCII, and do
      not contain any whitespace or the characters ':', ';', '*', '!',
      or '\'.  (These characters are used as delimiters and special
      markers in the passwd(5) and shadow(5) files.)
   Version 4.4.24
    * Add hash group for Debian in lib/hashes.conf.
      Debian has switched to use the yescrypt hashing algorithm as
      the default for new user passwords, so we should add a group
      for this distribution.
    * Overhaul the badsalt test.
      Test patterns are now mostly generated rather than manually coded
      into a big table.  Not reading past the end of the “setting” part
      of the string is tested more thoroughly (this would have caught the
      sunmd5 $$ bug if it had been available at the time).
      Test logs are tidier.
    * Add ‘test-programs’ utility target to Makefile.
      It is sometimes useful to compile all the test programs but not run
      them.  Add a Makefile target that does this.
    * Fix incorrect bcrypt-related ifdeffage in test/badsalt.c.
      The four variants of bcrypt are independently configurable, but the
      badsalt tests for them were all being toggled by INCLUDE_bcrypt,
      which is only the macro for the $2b$ variant.
    * Fix bigcrypt-related test cases in test/badsalt.c.
      The test spec was only correct when both or neither of bigcrypt and
      descrypt were enabled.
    * Detect ASan in configure and disable incompatible tests.
      ASan’s “interceptors” for crypt and crypt_r have a semantic conflict
      with libxcrypt, requiring a few tests to be disabled for builds with
      -fsanitize-address.  See commentary in test/crypt-badargs.c for an
      explanation of the conflict, and the commentary in
      build-aux/zw_detect_asan.m4 for why a configure test is required.
    * Fix several issues found by Covscan in the testsuite.  These include:
      - CWE-170: String not null terminated (STRING_NULL)
      - CWE-188: Reliance on integer endianness (INCOMPATIBLE_CAST)
      - CWE-190: Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
      - CWE-569: Wrong sizeof argument (SIZEOF_MISMATCH)
      - CWE-573: Missing varargs init or cleanup (VARARGS)
      - CWE-687: Argument cannot be negative (NEGATIVE_RETURNS)

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>