The file "patch.sendmail" is a context diff patch
to be applied in the sendmail directory of the
sendmail source distribution.

This patch has been tested against V8.12 and V8.13

For example:

	% cp illegalpipe.patch /tmp
	% cd /usr/local/src/mail/sendmail/sendmail-8.12.9/sendmail
	% patch -p < /tmp/illegalpipe.patch
	% ./Build
	# ./Build install