MSVC fix.

diff --git a/simgear/environment/visual_enviro.hxx b/simgear/environment/visual_enviro.hxx
index 43c510f77e6cc924b8bce5e58a912e11c49e5918..6e2e7d5334caeeeee7b5eeea08ab5296c9335f54 100644 (file)
--- a/simgear/environment/visual_enviro.hxx
+++ b/simgear/environment/visual_enviro.hxx
@@ -34,7 +34,7 @@ class SGSoundMgr;
  * Visual environment helper class.
  */
 class SGEnviro {
-friend struct SGLightning;
+friend class SGLightning;
 private:
        void DrawCone2(float baseRadius, float height, int slices, bool down, double rain_norm, double speed);
        void lt_update(void);