tnt: increase tnt fuse timer

mods/tnt/init.lua

@@ -576,7 +576,7 @@ function tnt.register_tnt(def)
 		on_blast = function() end,
 		on_construct = function(pos)
 			minetest.sound_play("tnt_ignite", {pos = pos})
-			minetest.get_node_timer(pos):start(4)
+			minetest.get_node_timer(pos):start(6)
 			nodeupdate(pos)
 		end,
 	})