labels.c: don't use ERR_NOTE for additional information
labels.c: don't use ERR_NOTE for additional information

ERR_NOTE just confuses things, especially in the case of a suppressed
warning.

The preprocessor doesn't use it for unwinding macros, either.

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

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