Fix recipe collision (#64)

* Fixed Recipe-Collision.

crafts.lua

@@ -1486,9 +1486,9 @@ minetest.register_craft({
 minetest.register_craft({
     output = "scifi_nodes:plant8",
     recipe = {
-        {"flowers:viola","default:junglegrass"},
-        {"default:dirt",""},
-        {"scifi_nodes:greybolts",""}
+        {"flowers:viola","default:junglegrass", "default:grass_1"},
+        {"default:dirt","",""},
+        {"scifi_nodes:greybolts","",""}
     }
 })