Added some OSG headers for the correct evaluation of the OSG_VERSION_LESS_THAN macro.

[simgear.git] / simgear / scene / sky / CloudShaderGeometry.hxx

diff --git a/simgear/scene/sky/CloudShaderGeometry.hxx b/simgear/scene/sky/CloudShaderGeometry.hxx
index 6d78af2fef74a6ca35081ac2faeaac4a4df6fc57..b8e44fa06b1254da1e8421a457482cd5437c4eff 100644 (file)
--- a/simgear/scene/sky/CloudShaderGeometry.hxx
+++ b/simgear/scene/sky/CloudShaderGeometry.hxx
@@ -32,6 +32,7 @@
 #include <osg/Vec3>
 #include <osg/Vec4>
 #include <osg/buffered_value>
+#include <osg/Version>
 
 #include <simgear/math/SGMath.hxx>
 #include <simgear/math/sg_random.h>