ENH: 26487: Make /MT flag optional for Visual Studio users.
ENH: 26487: Make /MT flag optional for Visual Studio users.

MediaFire/mediafire-cpp-sdk,herbertjones/mediafire-cpp-sdk,MediaFire/mediafire-cpp-sdk,MediaFire/mediafire-cpp-sdk,herbertjones/mediafire-cpp-sdk,herbertjones/mediafire-cpp-sdk