Make lod's getLevel public

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@13008 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/lod_node.hpp

@@ -62,8 +62,6 @@ private:
      *  m_forced_lod is >=0, only this level is be used. */
     int m_forced_lod;
 
-    int getLevel();
-
     enum PreviousVisibility
     {
         FIRST_PASS,
@@ -81,6 +79,8 @@ public:
     //! returns the axis aligned bounding box of this node
     virtual const core::aabbox3d<f32>& getBoundingBox() const { return Box; }
 
+    int getLevel();
+
     /*
     //! Returns a reference to the current relative transformation matrix.
     //! This is the matrix, this scene node uses instead of scale, translation