[patch i386]: Fix output_emit_asm in output_set_got for x86_64.

[Dominique Dhumieres]

> OK for mainline, if darwin maintainer doesn't object in next 24h, or if
> you get someone to test this patch on i686-darwin; whatever comes first.

Somehow I got the feeling to have been volunteered to do the test!-)

An incremental update with the patch went fine. What is the most important
for the night, a clean bootstrap or regression testing?

Dominique