More property manager interface updates.

[flightgear.git] / src / FDM / Balloon / BalloonSim.cpp

diff --git a/src/FDM/Balloon/BalloonSim.cpp b/src/FDM/Balloon/BalloonSim.cpp
index 44950f57f6f2e2795f49bcc3ce28a4d1eb0cdf06..09dfb07f08139baa9116a41ac3852957177686b8 100644 (file)
--- a/src/FDM/Balloon/BalloonSim.cpp
+++ b/src/FDM/Balloon/BalloonSim.cpp
@@ -42,9 +42,9 @@ HISTORY
 // #include <conio.h>
 #include <math.h>
 
+#include <simgear/constants.h>
+
 #include <Aircraft/aircraft.hxx>
-#include <Include/fg_constants.h>
-#include <Main/options.hxx>
 #include <WeatherCM/FGLocalWeatherDatabase.h>
 
 #include "BalloonSim.h"