autogenerated headers for rev...

autogenerated headers for rev https://github.com/mavlink/mavlink/tree/f7e210dd86bade40eb37a31f1df4cf2158a34524

message_definitions/common.xml

@@ -1915,6 +1915,7 @@
         <param index="7" label="Altitude" units="m">Altitude</param>
       </entry>
       <entry value="5000" name="MAV_CMD_NAV_FENCE_RETURN_POINT" hasLocation="true" isDestination="true">
+        <deprecated since="2020-09" replaced_by="MAV_CMD_NAV_RALLY_POINT">This mechanism was superseded by rally points. If rally points are defined then they take precedence.</deprecated>
         <description>Fence return point. There can only be one fence return point.
         </description>
         <param index="1">Reserved</param>