Fix chest boat crafting recipe

mods/ENTITIES/mcl_boats/init.lua

@@ -504,6 +504,14 @@ for b=1, #boat_ids do
 	})
 
 	local c = craftstuffs[b]
+	if not itemstring:find("chest") then
+		minetest.register_craft({
+			output = itemstring:gsub(":boat",":chest_boat"),
+			recipe = {
+				{"mcl_chests:chest"},
+				{itemstring},
+			},
+		})
 		minetest.register_craft({
 			output = itemstring,
 			recipe = {
@@ -511,6 +519,7 @@ for b=1, #boat_ids do
 				{c, c, c},
 			},
 		})
+	end
 end
 
 minetest.register_craft({