labels.c: redefine test should be passn, not pass0
labels.c: redefine test should be passn, not pass0

Stupid thinko: lpass should be passn + 1, not pass0 + 1.

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

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