Protect self-contained injector formspec buttons (#568)

auouymous

2020-09-11 03bb4dab469ddc9e37f7412fa979a0829cb3c953

 technic_worldgen/rubber.lua

@@ -10,7 +10,7 @@
   wield_image = "technic_rubber_sapling.png",
   paramtype = "light",
   walkable = false,
   groups = {dig_immediate=3, flammable=2},
   groups = {dig_immediate=3, flammable=2, sapling=1},
   sounds = default.node_sound_defaults(),
})

@@ -98,4 +98,3 @@
      end
   end)
end