bug from VBO changes. when more indices are drawn then the last frame, the debug build would crash

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1271 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CTerrainSceneNode.cpp

@@ -527,7 +527,7 @@ namespace scene
 			}
 		}
 
-		RenderBuffer.Indices.set_used(IndicesToRender);
+
 
 		RenderBuffer.setDirty(EBT_INDEX);
 
@@ -555,9 +555,15 @@ namespace scene
 
 		driver->setMaterial(Mesh.getMeshBuffer(0)->getMaterial());
 
+
+		RenderBuffer.Indices.set_used(IndicesToRender);
+
 		// For use with geomorphing
 		driver->drawMeshBuffer(&RenderBuffer);
 
+		RenderBuffer.Indices.set_used( RenderBuffer.Indices.allocated_size() );
+
+
 		// for debug purposes only:
 		if (DebugDataVisible)
 		{