update file voxel_layer

plugins/static_layer.cpp

@@ -325,7 +325,7 @@ void StaticLayer::updateCosts(costmap_2d::Costmap2D& master_grid, int min_i, int
 }
 
 // Export factory function
-static PluginCostmapLayerPtr create_static_plugin() {
+static PluginLayerPtr create_static_plugin() {
     return std::make_shared<StaticLayer>();
 }