marcus 85efdc8988 Fix a bug that will cause a process that calls the VT_WAITACTIVE ioctl
to become unkillable when that process is sent a termination signal.  The
process will sit in waitvt looping in the kernel, and chewing up all
available CPU until the system is rebooted.

Submitted by:	Jilles Tjoelker <jilles@stack.nl>
Reviewed by:	bde
Approved by:	re (kensmith)
MFC after:	1 week
2007-09-19 03:59:33 +00:00
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