[PATCH] Declare set*id with warn_unused_result

[Paul Eggert]

On 07/24/2012 04:58 AM, Florian Weimer wrote:
> On Linux (except very current versions without funky security modules)

Presumably this bug is fixed in current versions?
And the funky security modules will be fixed, too?
If so, these warnings would be unnecessary annoyances
in fixed versions, so perhaps we should leave this alone.
(And if not, then why not?)