macho: Add warning message in macho_output()
macho: Add warning message in macho_output()

Based-on-code-from: zenith432 <34af7ae747ebe653036517897481b0763d276599@users.sourceforge.net>
Signed-off-by: Chang S. Bae <5225702d5f350302bceb6664e109365ef85e2e11@gmail.com>

techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm