target.host fix

Change-Id: I69573b2ffcc3f928a114cd4231ffed9ec2a7d29b
diff --git a/xtrabackup/files/innobackupex-client-runner.sh b/xtrabackup/files/innobackupex-client-runner.sh
index cdb55c7..47e92aa 100644
--- a/xtrabackup/files/innobackupex-client-runner.sh
+++ b/xtrabackup/files/innobackupex-client-runner.sh
@@ -133,7 +133,7 @@
 echo
 
 # rsync just the new or modified backup files
-{%- if client.target.host is defined %}
+{%- if client.target is defined %}
 echo "Adding ssh-key of remote host to known_hosts"
 ssh-keygen -R {{ client.target.host }} 2>&1 | > $rsyncLog
 ssh-keyscan {{ client.target.host }} >> ~/.ssh/known_hosts  2>&1 | >> $rsyncLog