[cvs-nhc98] Change #include "hat.h" to "art.h".

malcolm: Wed Oct 17 17:50:12 CEST 2001 Update of /usr/src/master/nhc/src/tracer/hat In directory hinken:/tmp/cvs-serv973 Modified Files: browsercomms.h Log Message: Change #include "hat.h" to "art.h".