[PATCH] sysutils/hal fix for sysmouse(4) and ACPI

[Harald Hanche-Olsen]

+ Jung-uk Kim <jkim at FreeBSD.org>:

> - Do not allow openning /dev/sysmouse multiple times.  When there are 
> multiple instances of moused(8) and Xorg mouse driver 
> opens /dev/sysmouse multiple times, Xorg server gets confused badly, 
> e.g., losing input events, waiting for already processed events, etc.
> Please review.

I am not qualified to review, but I can be reckless enough to test a
non-reviewed patch. It seems to solve ports/131124 for me.

A million thanks! You can remove the pointy hat now.  8-)

- Harald