X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscene%2Ftgdb%2FSGLightBin.hxx;h=c6cb6f25c347fbd4cfeb41fda47d380198734abe;hb=2cc2a857a2cc2daff30601e0f8f697c768dd5b30;hp=09df31e3409356f36979c34d1aa108c917becdb3;hpb=560c100484e3678770c9589e6067d627ec5554e5;p=simgear.git

diff --git a/simgear/scene/tgdb/SGLightBin.hxx b/simgear/scene/tgdb/SGLightBin.hxx
index 09df31e3..c6cb6f25 100644
--- a/simgear/scene/tgdb/SGLightBin.hxx
+++ b/simgear/scene/tgdb/SGLightBin.hxx
@@ -22,6 +22,8 @@
 #ifndef SG_LIGHT_BIN_HXX
 #define SG_LIGHT_BIN_HXX
 
+#include <simgear/math/SGMath.hxx>
+
 class SGLightBin {
 public:
   struct Light {