ctdb-common: Fix crash in logging initialisation
Setting CTDB_LOGGING to syslog:nonblocking or syslog:udp will cause
ctdbd to crash at startup due to NULL pointer dereference.
Refactoring in commit
c9124a001f5abf7bb577a8f5341da4cc7411ed22
introduced this regression.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12814
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Jun 1 15:26:19 CEST 2017 on sn-devel-144