wxNviz: Nviz_draw_model type changed to void

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@46799 15284696-431f-4ddb-bdfa-cd5b030d7da7

include/nviz.h

@@ -164,7 +164,7 @@ int Nviz_set_light_color(nv_data *, int, int, int, int);
 int Nviz_set_light_ambient(nv_data *, int, double);
 int Nviz_init_light(nv_data *, int);
 int Nviz_new_light(nv_data *);
-int Nviz_draw_model(nv_data *);
+void Nviz_draw_model(nv_data *);
 
 /* map_obj.c */
 int Nviz_new_map_obj(int, const char *, double, nv_data *);

lib/nviz/lights.c

@@ -182,13 +182,11 @@ int Nviz_new_light(nv_data * data)
 
   \param data nviz data
 */
-int Nviz_draw_model(nv_data * data)
+void Nviz_draw_model(nv_data * data)
 {
     GS_set_draw(GSD_FRONT);
     GS_ready_draw();
     GS_draw_lighting_model();
     GS_done_draw();
     GS_set_draw(GSD_BACK);
-    
-    return 1;
 }