NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

kleink
Fri Jun 20 03:50:16 PDT 1997
Update of /cvsroot/src/sys/kern
In directory netbsd1:/var/slash-tmp/cvs-serv1759

Modified Files:
        tty.c 
Log Message:
Add some robustness to ttymodem(), e.g. do not SIGHUP when there hasn't been
an actual carrier transition; from Charles M. Hannum.