X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FEnvironment%2Fenvironment_ctrl.hxx;h=75a8a00a74db1bacf598a338b1bea780802b7cca;hb=79e48829da50e0103e81684896b8287bfe23cc96;hp=f9e0d59304a319572bb27e957e0843374d20e689;hpb=e588cbadd8eb31627e8054dfa609833141c515f2;p=flightgear.git

diff --git a/src/Environment/environment_ctrl.hxx b/src/Environment/environment_ctrl.hxx
index f9e0d5930..75a8a00a7 100644
--- a/src/Environment/environment_ctrl.hxx
+++ b/src/Environment/environment_ctrl.hxx
@@ -24,6 +24,7 @@
 #define _ENVIRONMENT_CTRL_HXX
 
 #include <simgear/compiler.h>
+#include <simgear/structure/subsystem_mgr.hxx>
 
 #ifdef SG_HAVE_STD_INCLUDES
 #  include <cmath>
@@ -37,8 +38,6 @@ SG_USING_STD(vector);
 
 class SGPropertyNode;
 
-#include <Main/fgfs.hxx>
-
 #include "environment.hxx"
 
 
@@ -46,7 +45,7 @@ class SGPropertyNode;
 /**
  * Interface to control environment information for a specific location.
  */
-class FGEnvironmentCtrl : public FGSubsystem
+class FGEnvironmentCtrl : public SGSubsystem
 {
 
 public: