[test][program_options] Avoid deprecated bind placeholders in global namespace

From: Mateusz Loskot (mateusz_at_[hidden])
Date: 2020-03-27 10:45:19

Hi,

I have a shy request to maintainers of boostorg/test and
boostorg/program_options

Would it be possible to merge these trivial patch to both:

https://github.com/boostorg/test/pull/259
https://github.com/boostorg/program_options/pull/92

Thanks in advance.

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net