[PATCH xserver] xfree86 linux: Don't complain about setsid failures.

[Mark Kettenis]

> Date: Fri, 17 Sep 2010 16:29:24 -0700
> From: Jesse Adkins <jesserayadkins at gmail.com>
> 
> setsid only fails with EPERM, and it only fails if we're already
> the process leader (which is what would happen if it succeeded).
> 
> Patch attached to prevent tab damage

If you do, please make sure your MUA doesn't encode these as base64.
Difficult to review a diff like the one below:

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