make headers include headers they depend on, don't rely on the c(xx)

[flightgear.git] / src / Airports / parking.hxx

diff --git a/src/Airports/parking.hxx b/src/Airports/parking.hxx
index 14069d9fca761f5eda5d9a335187823892dbc981..a64d5509b40a5ef0a760df2a4f7b3921192c9d4d 100644 (file)
--- a/src/Airports/parking.hxx
+++ b/src/Airports/parking.hxx
@@ -25,16 +25,16 @@
 #ifndef _PARKING_HXX_
 #define _PARKING_HXX_
 
-#ifndef __cplusplus                                                          
+#ifndef __cplusplus
 # error This library requires C++
-#endif     
+#endif
+
+#include <simgear/compiler.h>
 
 #include STL_STRING
 #include <vector>
 
 
-
-
 SG_USING_STD(string);
 SG_USING_STD(vector);