[Perl/perl5] 94de94: skip the failing dynamic vs static tests on Win32

[Tony Cook via perl5-changes]

  Branch: 
refs/heads/smoke-me/tonyc/17601-skip-static-vs-dynamic-mixup-tests-win32
  Home:   https://github.com/Perl/perl5
  Commit: 94de94812c8f7d278d5241190a42e334eba3e081
      
https://github.com/Perl/perl5/commit/94de94812c8f7d278d5241190a42e334eba3e081
  Author: Tony Cook <t...@develop-help.com>
  Date:   2020-09-21 (Mon, 21 Sep 2020)

  Changed paths:
    M Porting/Maintainers.pl
    M cpan/ExtUtils-MakeMaker/t/lib/MakeMaker/Test/Setup/XS.pm
    M t/porting/customized.dat

  Log Message:
  -----------
  skip the failing dynamic vs static tests on Win32

workaround for #17601