Copter: Always send RPM data when sensor is enabled

ArduCopter/GCS_Mavlink.cpp

@@ -415,7 +415,7 @@ void NOINLINE Copter::send_rangefinder(mavlink_channel_t chan)
  */
 void NOINLINE Copter::send_rpm(mavlink_channel_t chan)
 {
-    if (rpm_sensor.healthy(0) || rpm_sensor.healthy(1)) {
+    if (rpm_sensor.enabled(0) || rpm_sensor.enabled(1)) {
         mavlink_msg_rpm_send(
             chan,
             rpm_sensor.get_rpm(0),

ArduCopter/sensors.cpp

@@ -75,7 +75,7 @@ int16_t Copter::read_sonar(void)
 void Copter::rpm_update(void)
 {
     rpm_sensor.update();
-    if (rpm_sensor.healthy(0) || rpm_sensor.healthy(1)) {
+    if (rpm_sensor.enabled(0) || rpm_sensor.enabled(1)) {
         if (should_log(MASK_LOG_RCIN)) {
             DataFlash.Log_Write_RPM(rpm_sensor);
         }