Overhaul the ground-net / parking code.

[flightgear.git] / src / Airports / runwayprefs.cxx

diff --git a/src/Airports/runwayprefs.cxx b/src/Airports/runwayprefs.cxx
index f3110a1a3d64a31f3ee5274f6dcf64ad013b0d09..fac1807fb1820daed60be9f78eb696d81b2e5058 100644 (file)
--- a/src/Airports/runwayprefs.cxx
+++ b/src/Airports/runwayprefs.cxx
@@ -26,6 +26,7 @@
 #endif
 
 #include <math.h>
+#include <cstdlib>
 #include <cstring>
 
 #include <simgear/compiler.h>