Improve timing statistics

[flightgear.git] / src / Main / fg_io.hxx

diff --git a/src/Main/fg_io.hxx b/src/Main/fg_io.hxx
index 5637c5df56d0318404ae831eac17c97f1878147a..d10e9c67b9346b4b9a045dc66be88887af45d184 100644 (file)
--- a/src/Main/fg_io.hxx
+++ b/src/Main/fg_io.hxx
@@ -27,6 +27,7 @@
 
 #include <simgear/compiler.h>
 #include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/props/props.hxx>
 
 #include <vector>
 #include <string>
@@ -58,6 +59,8 @@ private:
     
     typedef std::vector< FGProtocol* > ProtocolVec;
     ProtocolVec io_channels;
+    
+    SGPropertyNode_ptr _realDeltaTime;
 };