Rover: correct compilation when AFS enabled

APMrover2/Parameters.cpp

@@ -663,7 +663,7 @@ const AP_Param::GroupInfo ParametersG2::var_info[] = {
 ParametersG2::ParametersG2(void)
     :
 #if ADVANCED_FAILSAFE == ENABLED
-    afs(rover.mission, rover.gps),
+    afs(rover.mode_auto.mission),
 #endif
     beacon(rover.serial_manager),
     motors(rover.ServoRelayEvents),

APMrover2/afs_rover.cpp

@@ -6,12 +6,6 @@
 
 #if ADVANCED_FAILSAFE == ENABLED
 
-// Constructor
-AP_AdvancedFailsafe_Rover::AP_AdvancedFailsafe_Rover(AP_Mission &_mission, const AP_GPS &_gps) :
-    AP_AdvancedFailsafe(_mission, _gps)
-{}
-
-
 /*
   Setup radio_out values for all channels to termination values
  */

APMrover2/afs_rover.h

@@ -27,7 +27,7 @@
 class AP_AdvancedFailsafe_Rover : public AP_AdvancedFailsafe
 {
 public:
-    AP_AdvancedFailsafe_Rover(AP_Mission &_mission, const AP_GPS &_gps);
+    using AP_AdvancedFailsafe::AP_AdvancedFailsafe;
 
     // called to set all outputs to termination state
     void terminate_vehicle(void) override;

APMrover2/failsafe.cpp

@@ -5,6 +5,8 @@
 
 #include "Rover.h"
 
+#include <stdio.h>
+
 /*
   our failsafe strategy is to detect main loop lockup and switch to
   passing inputs straight from the RC inputs to RC outputs.