Update feature_extractor.h

Updated to maxHFODist.

src/feature_extractor.h

@@ -128,7 +128,7 @@ protected:
   constexpr static float observedPlayerSpeedMax = 0.75;
   constexpr static float observedStaminaMax     = 8000.;
   constexpr static float observedBallSpeedMax   = 5.0;
-  float maxHFORadius; // Maximum possible distance in HFO playable region
+  float maxHFODist; // Maximum possible distance in HFO playable region
   // Useful measures defined by the Server Parameters
   float pitchLength, pitchWidth, pitchHalfLength, pitchHalfWidth,
     goalHalfWidth, penaltyAreaLength, penaltyAreaWidth;