Breaks with clang-10: no matching conversion for functional-style cast from 'const flopc::SUBSETREF' to 'flopc::MP_domain'

[yurivict]

In file included from MP_constraint.cpp:12:
In file included from ./MP_constraint.hpp:15:
./MP_set.hpp:212:9: error: no matching conversion for functional-style cast from 'const flopc::SUBSETREF' to 'flopc::MP_domain'
        return MP_domain(s);
               ^~~~~~~~~~~

OS: FreeBSD 12.2

[tkralphs]

I attempted a fix for this in the fix-clang branch, but I never managed to get confirmation from anyone that it works. If it works, I'll merge it.

[yurivict]

fix-clang does build fine with clang-10.

I suggest that you also make a release after you merge the branch.

[tkralphs]

OK, will do, thanks!