Create COPYWIN defines for CopyWindowToVram calls

src/shop.c

@@ -227,7 +227,7 @@ static u8 CreateShopMenu(u8 a0)
     PrintTextArray(sShopMenuWindowId, 2, GetMenuCursorDimensionByFont(2, 0), 2, 16, 3, sShopMenuActions_BuySellQuit);
     Menu_InitCursor(sShopMenuWindowId, 2, 0, 2, 16, 3, 0);
     PutWindowTilemap(sShopMenuWindowId);
-    CopyWindowToVram(sShopMenuWindowId, 1);
+    CopyWindowToVram(sShopMenuWindowId, COPYWIN_MAP);
     return CreateTask(Task_ShopMenu, 8);
 }
 
@@ -657,7 +657,7 @@ static void BuyMenuPrintCursorAtYPosition(u8 y, u8 a1)
     if (a1 == 0xFF)
     {
         FillWindowPixelRect(4, 0, 1, y, GetFontAttribute(2, FONTATTR_MAX_LETTER_WIDTH), GetFontAttribute(2, FONTATTR_MAX_LETTER_HEIGHT));
-        CopyWindowToVram(4, 2);
+        CopyWindowToVram(4, COPYWIN_GFX);
     }
     else
     {