---- fix opt warnings, let compiler do tail call optimization in csma nd, remove protected access from router iface user: Craig Dowell <craigdo at ee.washington.edu> files: src/devices/csma-cd/csma-cd-net-device.cc src/routing/global-routing/global-router-interface.h url: http://code.nsnam.org/ns-3-dev/rev/599a311daef6