BUG: Fix GDCM posix_memalign undefined with mingw - RELEASE

[blowekamp]

Address compilation error, by switching to use _aligned_malloc.

PR Checklist

• No API changes were made (or the changes have been approved)
• No major design changes were made (or the changes have been approved)
• Added test (or behavior not changed)
• Updated API documentation (or API not changed)
• Added license to new files (if any)
• Added Python wrapping to new files (if any) as described in ITK Software Guide Section 9.5
• Added ITK examples for all new major features (if any)

Refer to the ITK Software Guide for
further development details if necessary.

[dzenanz]

Should this PR also go to main and upstream?

[blowekamp]

This is a minimal change to patch release.

I want to look into using std::aligned_alloc for upstream GDCM.

[blowekamp]

This is a minimal change to patch release.

I want to look into using std::aligned_alloc for upstream GDCM.

Unfortunately, this a C not C++ file so the STD function cannot be used.

[blowekamp]

Replaced by #5792 due to incorrect remote branch name.