Added segmentation support for server reply. (#974)

Added segmentation support for server devices for some services. Configure BACNET_SEGMENTATION_ENABLED=1 to include in the library, and adjust BACNET_MAX_SEGMENTS_ACCEPTED for maximum number of segments.

src/bacnet/basic/service/h_rd.c

@@ -71,13 +71,16 @@ void handler_reinitialize_device(
         debug_print("ReinitializeDevice: Missing Required Parameter. "
                     "Sending Reject!\n");
         goto RD_ABORT;
-    } else if (service_data->segmented_message) {
+    }
+#if !BACNET_SEGMENTATION_ENABLED
+    else if (service_data->segmented_message) {
         len = abort_encode_apdu(
             &Handler_Transmit_Buffer[pdu_len], service_data->invoke_id,
             ABORT_REASON_SEGMENTATION_NOT_SUPPORTED, true);
         debug_print("ReinitializeDevice: Sending Abort - segmented message.\n");
         goto RD_ABORT;
     }
+#endif
     /* decode the service request only */
     len = rd_decode_service_request(
         service_request, service_len, &rd_data.state, &rd_data.password);