extranodes: Make unifieddyes dependency optional.

extranodes/depends.txt

@@ -1,6 +1,6 @@
 default
 technic_worldgen
 concrete
-unifieddyes
+unifieddyes?
 intllib?
 moreblocks?

extranodes/init.lua

@@ -102,6 +102,8 @@ if minetest.get_modpath("moreblocks") then
 
 end
 
+if minetest.get_modpath("unifieddyes") then
+
 	minetest.register_node(":technic:insulator_clip", {
 		description = "Insulator/cable clip",
 		drawtype = "mesh",
@@ -171,3 +173,5 @@ minetest.register_craft({
 			{ "technic:raw_latex", "default:fence_wood", "technic:raw_latex"},
 		}
 	})
+
+end