nasmlib.h: Introduce nasm_build_assert
nasmlib.h: Introduce nasm_build_assert

It's useful to protect our self from some
errors at build time.

For this sake we should use nasm_build_assert
if needed.

Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@gmail.com>

projedi/nasm,projedi/nasm,turingstudio/nasm,techkey/nasm,Distrotech/nasm,Distrotech/nasm,projedi/nasm,Distrotech/nasm,turingstudio/nasm,letolabs/nasm,turingstudio/nasm,projedi/nasm,Distrotech/nasm,letolabs/nasm,techkey/nasm,techkey/nasm,letolabs/nasm,techkey/nasm,turingstudio/nasm,techkey/nasm,projedi/nasm