[Xymon] another xymonnet error that maybe shouldn't be an error?

[Richard Hamilton]

Error output:
xymonnet: Cannot resolve IP for host lapple.local

with a hosts.cfg entry of

0.0.0.0         lapple.local    # NAME:lapple CLIENT:lapple.pri dialup
noflap=location ssh ntp
rpc=mountd,nlockmgr,nfs,rpcbind,rquotad,status,ypbind NOCOLUMNS:files
multihomed NOPROPPURPLE:+location NOPROPYELLOW:+location

"lapple" - the laptop - may report as "lapple.pri" at home, but either at
home or connected in via VPN*, may be known as "lapple.local".  The .local
domain is multicast DNS (aka Bonjour), which is dynamic - the name itself
is advertised by the host in question, and only resolves when the host is
on the local network (even the VPN case took some interesting trickery,
since the VPN is layer 3, and a VPN client doesn't have its own MAC
address).

In other words, in the case of 0.0.0.0 together with dialup, should it
really be an error if the name can't be looked up?  There's cases it could
happen without anything untoward being involved...and I don't see any
better way to configure an intermittent mobile client with potentially
varying IP address, than how I did it.
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