Log Message:
Update to 0.004

Upstream changes:
version 0.004; 2023-04-06
  * port test C code to Perl 5.33.1, which defines a PERL_VERSION_GE()
    macro that clashes with the one this code previously had
  * in test C code, avoid a compiler warning that arises on Perl 5.20
  * in test C code, rename some macros for better style
  * in test C code, better argument parenthesisation in a macro