Bug fix OCRepPayloadIsNull function. All of return value is false.
Bug fix OCRepPayloadIsNull function. All of return value is false.

Change-Id: I24596dc6d1fb1314a9ab669e8f7f63fa297ded63
Signed-off-by: Sunyoung Jung <273d60b13ba479a7d63bc8286d64831b75678dca@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9669
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Jon A. Cruz <44f878afe53efc66b76772bd845eb65944ed8232@joncruz.org>

iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity