fixed initialization issue for connection state.

fixed initialization issue for connection state.

Change-Id: I16b02d35ae36feacb6472a73796cb1b9e24636bb
Signed-off-by: jihwan.seo <jihwan.seo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5631
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>
(cherry picked from commit 1b395d956b94afcc69a5a0c7d24a2f75042aa2a4)
Reviewed-on: https://gerrit.iotivity.org/gerrit/5895