Add properties for raw axis and button values, for use

[flightgear.git] / src / Systems / system_mgr.cxx

diff --git a/src/Systems/system_mgr.cxx b/src/Systems/system_mgr.cxx
index ce43ddbf847a790bf6bdd78aec248fd2f9ef33fc..252ce543875a03a29767b0bd47e29dbe4b224778 100644 (file)
--- a/src/Systems/system_mgr.cxx
+++ b/src/Systems/system_mgr.cxx
@@ -16,6 +16,7 @@
 #include <Main/globals.hxx>
 #include <Main/util.hxx>
 
+#include <cstdlib>
 #include <iostream>
 #include <string>
 #include <sstream>