Use a constant in PlaceMenuItemQuantity

data/pokemon/palettes.asm

@@ -3,7 +3,6 @@ PokemonPalettes:
 
 ; Each normal.gbcpal is generated from the corresponding .png, and
 ; only the middle two colors are included, not black or white.
-; (Back sprites are used since they are the same in Gold and Silver.)
 ; Shiny palettes are defined directly, not generated.
 
 	; 2 middle palettes, front and shiny, with 2 colors each

engine/menus/menu_2.asm

@@ -16,7 +16,7 @@ PlaceMenuItemQuantity:
 	pop hl
 	and a
 	jr nz, .done
-	ld de, $15
+	ld de, SCREEN_WIDTH + 1
 	add hl, de
 	ld [hl], '×'
 	inc hl