* Removed the '#define RD_DEFAULT_MAX_POST_LENGTH' statement from
'lib/rd.h'.
* Added a '#define RD_MAX_POST_LENGTH' statement in 'lib/rd.h'.
* Removed the 'RDSystem::maxPostLength()' and
'RDSystem::setMaxPostLength()' methods.
* Removed the 'Maximum Remote Post Length' control from the
'System-Wide Settings' dialog in rdadmin(1).
Signed-off-by: Fred Gleason <fredg@paravelsystems.com>