Allow processing of Who-Has when DCC initiation is disabled

ports/pic18f6720/apdu.c

@@ -143,6 +143,7 @@ static bool apdu_unconfirmed_dcc_disabled(uint8_t service_choice)
         /* WhoIs will be processed and I-Am initiated as response. */
         switch (service_choice) {
             case SERVICE_UNCONFIRMED_WHO_IS:
+            case SERVICE_UNCONFIRMED_WHO_HAS:
                 break;
             default:
                 status = true;

ports/pic18f97j60/apdu.c

@@ -143,6 +143,7 @@ static bool apdu_unconfirmed_dcc_disabled(uint8_t service_choice)
         /* WhoIs will be processed and I-Am initiated as response. */
         switch (service_choice) {
             case SERVICE_UNCONFIRMED_WHO_IS:
+            case SERVICE_UNCONFIRMED_WHO_HAS:
                 break;
             default:
                 status = true;

src/bacnet/basic/service/h_apdu.c

@@ -531,9 +531,10 @@ static bool apdu_unconfirmed_dcc_disabled(uint8_t service_choice)
            can be processed in this state */
         status = true;
     } else if (dcc_communication_initiation_disabled()) {
-        /* WhoIs will be processed and I-Am initiated as response. */
+        /* WhoIs & WhoHas will be processed */
         switch (service_choice) {
             case SERVICE_UNCONFIRMED_WHO_IS:
+            case SERVICE_UNCONFIRMED_WHO_HAS:
                 break;
             default:
                 status = true;