Minor tweak to tmcc-nossl build.
Minor tweak to tmcc-nossl build.

FreeBSD and Linux builds don't require any of the extra libraries,
and in fact, these libraries will break the build on busybox.

Leave the libraries there for Cygwin build which is the case Kirk
added them for.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome