Log Message:
sslh: update to 1.19c.

v1.19: 20JAN2018
	Added 'syslog_facility' configuration option to
	specify where to log.

	TLS now supports SNI and ALPN (Travis Burtrum),
	including support for Let's Encrypt challenges
	(Jonathan McCrohan)

	ADB probe. (Mike Frysinger)

	Added per-protocol 'fork' option. (Oleg Oshmyan)

	Added chroot option. (Mike Frysinger)

	A truckload of bug fixes and documentation
	improvements (Various contributors)