More unused vars caught by Xcode.

src/AIModel/AIAircraft.hxx

@@ -174,7 +174,6 @@ private:
 
     const char * _getTransponderCode() const;
 
-    bool reachedWaypoint;
     bool needsTaxiClearance;
     bool _needsGroundElevation;
     int  takeOffStatus; // 1 = joined departure cue; 2 = Passed DepartureHold waypoint; handover control to tower; 0 = any other state. 

src/Instrumentation/HUD/HUD_private.hxx

@@ -162,7 +162,6 @@ protected:
 
 private:
     SGSharedPtr<SGCondition> _condition;
-    float       _disp_factor;   // Multiply by to get numbers shown on scale.
     float       _scr_span;      // Working values for draw;
     int         _digits;
 };

src/Network/ATC-Main.hxx

@@ -50,8 +50,6 @@ class FGATCMain : public FGProtocol {
     SGPath output0_path;
     SGPath output1_path;
 
-    int board;
-
     int lock0_fd;
     int lock1_fd;
 

src/Network/ATC-Outputs.hxx

@@ -43,7 +43,6 @@ class FGATCOutput {
     int board;
     SGPath config;
 
-    int lock_fd;
     int analog_out_fd;
     int lamps_fd;
     int radio_display_fd;

src/Network/AV400WSim.cxx

@@ -265,7 +265,6 @@ hz2count(0),
 hz2cycles(0),    
 flight_phase(0xFF),
 req_hostid(true),
-req_raimap(false),
 req_sbas(false)
 {
     hal.clear();

src/Network/AV400WSim.hxx

@@ -88,7 +88,6 @@ class FGAV400WSimB : public FGProtocol {
     string val;
     string sbas_sel;
     bool req_hostid;
-    bool req_raimap;
     bool req_sbas;
     int outputctr;
 

src/Traffic/TrafficMgr.cxx

@@ -153,7 +153,6 @@ FGTrafficManager::FGTrafficManager() :
   waitingMetarTime(0.0),
   cruiseAlt(0),
   score(0),
-  runCount(0),
   acCounter(0),
   radius(0),
   offset(0),

src/Traffic/TrafficMgr.hxx

@@ -97,7 +97,7 @@ private:
     port, timeString, departurePort, departureTime, arrivalPort, arrivalTime,
     repeat, acType, airline, m_class, flighttype, requiredAircraft, homePort;
   int cruiseAlt;
-  int score, runCount, acCounter;
+  int score, acCounter;
   double radius, offset;
   bool heavy;