Fix deprecation warnings in wield3d

mods/wield3d/.gitignore

@@ -1,6 +0,0 @@
-## Generic ignorable patterns and files
-*~
-.*.swp
-*bak*
-tags
-*.vim

mods/wield3d/description.txt

@@ -1,2 +0,0 @@
-Visible 3d wielded items for Minetest.
-Adds 3d wield-items that are visible in third person view and to other players.

mods/wield3d/init.lua

@@ -16,7 +16,7 @@ local location = {
 
 local function add_wield_entity(player)
 	local name = player:get_player_name()
-	local pos = player:getpos()
+	local pos = player:get_pos()
 	if name and pos then
 		pos.y = pos.y + 0.5
 		local object = minetest.add_entity(pos, "wield3d:wield_entity")