resolve build warning on constructor of OCResourceRequest
resolve build warning on constructor of OCResourceRequest

resolved build warning caused by missing initializer for each member
in OCResourceRequest class.

Change-Id: I723cb36010ed84e6b532c7d842ee8f438674ed78
Signed-off-by: Jaewook Jung <e30c770b7f9b30402e4d6c2240cd5b03cb3bf7f9@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10887
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Jon A. Cruz <44f878afe53efc66b76772bd845eb65944ed8232@joncruz.org>

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