[Bug ada/104861] s-oscons.ads should use target_noncanonical

[charlet at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104861

--- Comment #4 from Arnaud Charlet <charlet at gcc dot gnu.org> ---
Patch looks good to me, it's approved assuming clean testing, thanks!