package/libxcrypt: security bump to version 4.4.25

- 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)
- Update hash of LICENSING due to files being updated with:
  https://github.com/besser82/libxcrypt/commit/44e9eb57b462cfbaeb085cea0e308511565f4a12
  https://github.com/besser82/libxcrypt/commit/578271c3776a442fa55ac5f5ea83c7dc83ede979

https://github.com/besser82/libxcrypt/blob/v4.4.25/NEWS



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>