Don't statically link MSVC runtime

[mtytel]

https://github.com/free-audio/clap-wrapper/blob/497f40a7580a2f6326fa06691f39aa3d7e0e78a7/CMakeLists.txt#L29

Should just take the default or whatever the plugin developer set it to.

[defiantnerd]

We can make this optional - if the wrapper project is the top level project, the library can be statically linked, otherwise just don't?

[baconpaul]

yeah that's what we need to do. i just need to figure out the best way to do that cmakewise. i'll get it this weekend.

[baconpaul]

Addressed in 48861ec