Compile SGReaderWriterOptions.cxx under Windows

diff --git a/simgear/scene/util/SGReaderWriterOptions.cxx b/simgear/scene/util/SGReaderWriterOptions.cxx
index d2951cc5c5dad809c4f97d28c5c7bfc8fe10d7c4..12e3212891cad74ed7190e6b186ec3bf9fa8d25c 100644 (file)
--- a/simgear/scene/util/SGReaderWriterOptions.cxx
+++ b/simgear/scene/util/SGReaderWriterOptions.cxx
@@ -17,6 +17,12 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 
+#ifdef HAVE_CONFIG_H
+#  include <simgear_config.h>
+#endif
+
+#include <simgear/scene/util/OsgMath.hxx>
+
 #include "SGReaderWriterOptions.hxx"
 
 #include <osgDB/Registry>