Fix incorrect usage of CMAKE_CURRENT_BUILD_DIR, there is no such
CMake variable, it's actually CMAKE_CURRENT_BINARY_DIR.
Also if the host_build option is set when building a module,
the library should be a static library.
Change-Id: I9fb39905118dbd7f33d9821960eaed11f20b30c6
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>