devel/boost-*: requesting an update to version 1.75.0

[Kurt Jaeger]

Hi!

See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246106
and https://reviews.freebsd.org/D24485 for the
current state of affairs.

It looks like it needs a *lot* of know-how to get this to 1.75.0. 

-- 
pi at FreeBSD.org         +49 171 3101372                  Now what ?