quote: we must do unsigned comparison to get length of octal escape
quote: we must do unsigned comparison to get length of octal escape

When computing the length of an octal escape, we need to do an
unsigned compare, otherwise we only allocate space for one character
for bytes in the \200..\377 range, which is obviously incorrect.

Reported-by: Ed Beroset <312c297853037f66181a7b3348a869e806779b48@mindspring.com>
Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>

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