Propagate BG_COORD constants

src/pokedex_area_screen.c

@@ -319,7 +319,7 @@ static bool8 DrawAreaGlow(void)
         }
         return TRUE;
     case 4:
-        ChangeBgY(2, -0x800, 0);
+        ChangeBgY(2, -0x800, BG_COORD_SET);
         break;
     default:
         return FALSE;