fix grinding recipes and craft recipe for tool workshop

RealBadAngel

2013-04-05 8d092c9ec89e9c8dc2b5f7badc1560734a046dd8

 technic/sonic_screwdriver.lua

@@ -14,8 +14,8 @@
               if node.param2==nil  then return end
               item=itemstack:to_table()
               local meta1=get_item_meta(item["metadata"])
               if meta1==nil then return false end --tool not charghed
               if meta1["charge"]==nil then return false end
               if meta1==nil then return end --tool not charghed
               if meta1["charge"]==nil then return end
               charge=meta1["charge"]
               if charge-100>0 then
                  minetest.sound_play("technic_sonic_screwdriver", {pos = pos, gain = 0.3, max_hear_distance = 10,})