Added an #include <glut.h> to pick up the FLT_MAX definition.

diff --git a/src/Airports/genapt.cxx b/src/Airports/genapt.cxx
index 6ad0b20891f84e896dc42e3c3a31954d82468fc1..0c57045e632dfc56d099294563e84bbeef979459 100644 (file)
--- a/src/Airports/genapt.cxx
+++ b/src/Airports/genapt.cxx
@@ -36,6 +36,9 @@
 #  include <strings.h>
 #endif
 
+#include <GL/glut.h>
+#include <simgear/xgl/xgl.h>
+
 #include <plib/sg.h>
 
 #include <simgear/debug/logstream.hxx>