nasm.nsi: use LZMA compression
nasm.nsi: use LZMA compression

Using LZMA compression produces a significantly smaller installer
binary.

Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>

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