Rover: update for new AP_Param API

APMrover2/GCS_Mavlink.pde

@@ -1228,21 +1228,23 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
         if (mavlink_check_target(packet.target_system,packet.target_component)) break;
         enum ap_var_type p_type;
         AP_Param *vp;
+        char param_name[AP_MAX_NAME_SIZE];
         if (packet.param_index != -1) {
-            vp = AP_Param::find_by_index(packet.param_index, &p_type);
+            AP_Param::ParamToken token;
+            vp = AP_Param::find_by_index(packet.param_index, &p_type, &token);
             if (vp == NULL) {
                 gcs_send_text_fmt(PSTR("Unknown parameter index %d"), packet.param_index);
                 break;
             }
+            vp->copy_name_token(&token, param_name, sizeof(param_name), true);
         } else {
             vp = AP_Param::find(packet.param_id, &p_type);
             if (vp == NULL) {
                 gcs_send_text_fmt(PSTR("Unknown parameter %.16s"), packet.param_id);
                 break;
             }
+            strncpy(param_name, packet.param_id, AP_MAX_NAME_SIZE);
         }
-        char param_name[AP_MAX_NAME_SIZE];
-        vp->copy_name(param_name, sizeof(param_name), true);
 
         float value = vp->cast_to_float(p_type);
         mavlink_msg_param_value_send(
@@ -1773,7 +1775,7 @@ GCS_MAVLINK::queued_param_send()
     value = vp->cast_to_float(_queued_parameter_type);
 
     char param_name[AP_MAX_NAME_SIZE];
-    vp->copy_name(param_name, sizeof(param_name), true);
+    vp->copy_name_token(&_queued_parameter_token, param_name, sizeof(param_name), true);
 
     mavlink_msg_param_value_send(
         chan,