support for wielded_light shining

supports also wielded_light.register_item_light("throwing:arrow", light_level) to set the light level

depends.txt

@@ -1,2 +1,3 @@
 mesecons?
 mesecons_button?
+wielded_light?

init.lua

@@ -195,6 +195,10 @@ local function arrow_step(self, dtime)
 		end
 	end
 
+	-- Support for shining items using wielded light
+	if minetest.global_exists("wielded_light") and self.object then
+		wielded_light.update_light_by_item(self.item, self.object:get_pos())
+	end
 
 	self.last_pos = pos -- Used by the build arrow
 end