GetDerCrl() fix

GetDerCrl() fix

Memory leak in GetDerCrl() fixed

Change-Id: Iddf0628c73d69ce8beafa66b09b4b2f2e61e8006
Signed-off-by: Oleksii Beketov <ol.beketov@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16439
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dmitriy Zhuravlev <d.zhuravlev@samsung.com>
Reviewed-by: Chul Lee <chuls.lee@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit e43d061497721cfe8fbfef623c3c4d5ae2556ce7)
Reviewed-on: https://gerrit.iotivity.org/gerrit/17059