fixes problem when mining sand with laser

Maciej Kasatkin

2012-10-16 aabfca7e9dd2017c32645e4377a0caca08a99256

 mining_laser_mk1.lua

@@ -137,8 +137,13 @@
   if node.name == "default:lava_flowing" then return end
   if node.name == "default:water_source" then minetest.env:remove_node(pos) return end
   if node.name == "default:water_flowing" then minetest.env:remove_node(pos) return end
   pos1={}
   pos1.x=math.floor(pos.x)
   pos1.y=math.floor(pos.y)
   pos1.z=math.floor(pos.z)
	
   if player then 
      minetest.node_dig(pos,node,player)
      minetest.node_dig(pos1,node,player)
   end

end