Fix Fact setting of Next WP Heading

src/Vehicle/Vehicle.cc

@@ -484,6 +484,7 @@ void Vehicle::_commonInit(void)
     _addFact(&_flightDistanceFact,      _flightDistanceFactName);
     _addFact(&_flightTimeFact,          _flightTimeFactName);
     _addFact(&_distanceToHomeFact,      _distanceToHomeFactName);
+    _addFact(&_headingToNextWPFact,     _headingToNextWPFactName);
     _addFact(&_headingToHomeFact,       _headingToHomeFactName);
     _addFact(&_distanceToGCSFact,       _distanceToGCSFactName);
     _addFact(&_throttlePctFact,         _throttlePctFactName);

src/Vehicle/Vehicle.h

@@ -1540,7 +1540,6 @@ private:
     Fact _distanceToHomeFact;
     Fact _headingToNextWPFact;
     Fact _headingToHomeFact;
-    Fact _headingToNextWP;
     Fact _distanceToGCSFact;
     Fact _hobbsFact;
     Fact _throttlePctFact;

src/Vehicle/VehicleFact.json

@@ -106,7 +106,7 @@
 },
 {
     "name":             "headingToNextWP",
-    "shortDescription": "Heading to Next Waypoint",
+    "shortDescription": "Next WP Heading",
     "type":             "double",
     "decimalPlaces":    0,
     "units":            "deg"