while i'm here, remove unnecessary #include.
Patches provided by Joel Baker in PR 22365, verified by myself.
build failure because MALLOC_DECLARE() is not defined.
* display ip address details of tcp/udp connections * display isofs details * use %p instead of %lx in error messages other mods by me: * don't put \n at the end of err()/warn() format * man page cleanups (use .Dq and .Pq as appropriate)