outdbg: fix OUT_REL*ADR, add OUT_REL8ADR
outdbg: fix OUT_REL*ADR, add OUT_REL8ADR

The OUT_REL*ADR types pass a pointer which points to an int64_t
which then should be truncated down to size.  This matters on
bigendian platforms.

Add OUT_REL8ADR.

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

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