luaboot: visible must be a function

Visible needs to be a function. Looks like I tested the wrong thing.

stand/lua/menu.lua

@@ -403,7 +403,9 @@ menu.welcome = {
 		},
 		vendor = {
 			entry_type = core.MENU_ENTRY,
-			visible = false,
+			visible = function()
+				return false
+			end
 		},
 	},
 }

stand/lua/menu.lua.8

@@ -240,6 +240,9 @@ welcome_entries.vendor = {
         name = color.highlight("V") .. "endor Options",
         submenu = vendor_options,
         alias = {"v", "V"},
+	visible = function()
+		return true
+	end,
 }
 .Ed
 In the above example,