Reinstitate send() after syslogd restarts.

In r228193 the test of CONNPRIV have been moved to before the _usleep
and send in vsyslog().  When syslogd restarts, this would prevent the
message being logged after the disconnect/connect dance for
scenario #1.

PR:		194751
Submitted by:	Peter Creath <pjcreath+freebsd gmail com>
Reviewed By:	glebius
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D1227


git-svn-id: svn+ssh://svn.freebsd.org/base/head@275071 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f