[IOT-2257] Add OCGetACL2Resource to DLL exports on Windows

Change-Id: I8d9b95b466c3804963c1c0760488cc00ff883529
Signed-off-by: Kevin Kane <kkane@microsoft.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/19925Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>

resource/csdk/stack/octbstack_product_secured.def

@@ -20,6 +20,7 @@ OCGenerateKeyPair
 OCGenerateRandomSerialNumber
 OCGenerateRoleCertificate
 OCGetACLResource
+OCGetACL2Resource
 OCGetCredResource
 OCGetCSRResource
 OCGetDevInfoFromNetwork