Crash of "master"

[Alan DeKok]

Phil Mayers wrote:
> Thu Nov  3 11:49:23 2011 : Error: ASSERT FAILED process.c[436]:
> request->child_pid == NO_SUCH_CHILD_PID
> 
> This particular process is a relatively simple one - all it does is
> mac-based vlans. The server is not getting any traffic except monitoring
> / test auths from our nagios system every 5 minutes.
> 
> Sorry I don't have more info, but I thought I should mention it.

  I've pushed something that should fix it.  It turns an assert into a
run-time check...

  Alan DeKok.