fix uninitialized variable reported by valgrind

diff --git a/src/AIModel/AIAircraft.cxx b/src/AIModel/AIAircraft.cxx
index bd8830e4bb71b3266c2ac9d915552d7301f16be1..101be110be78f3497fb22437a3d695c296280569 100644 (file)
--- a/src/AIModel/AIAircraft.cxx
+++ b/src/AIModel/AIAircraft.cxx
@@ -89,6 +89,7 @@ FGAIAircraft::FGAIAircraft(FGAISchedule *ref) :
     headingError = 0;
     minBearing = 360;
     speedFraction =1.0;
+    prev_dist_to_go = 0.0;
 
     holdPos = false;
     needsTaxiClearance = false;