Add formspec textures to creative

mods/creative/init.lua

@@ -79,7 +79,8 @@ trash:set_size("main", 1)
 creative_inventory.set_creative_formspec = function(player, start_i, pagenum)
 	pagenum = math.floor(pagenum)
 	local pagemax = math.floor((creative_inventory.creative_inventory_size-1) / (6*4) + 1)
-	player:set_inventory_formspec("size[13,7.5]"..
+	player:set_inventory_formspec(
+			"size[13,7.5]"..
 			--"image[6,0.6;1,2;player.png]"..
 			"list[current_player;main;5,3.5;8,4;]"..
 			"list[current_player;craft;8,0;3,3;]"..
@@ -89,7 +90,11 @@ creative_inventory.set_creative_formspec = function(player, start_i, pagenum)
 			"button[0.3,6.5;1.6,1;creative_prev;<<]"..
 			"button[2.7,6.5;1.6,1;creative_next;>>]"..
 			"label[5,1.5;Trash:]"..
-			"list[detached:creative_trash;main;5,2;1,1;]")
+			"list[detached:creative_trash;main;5,2;1,1;]"..
+			
+			"background[-0.0625,-0.0625;13.125,7.625;creative_formspec_background.png]"..
+			"background[0,0;13,7.5;creative_formspec_inventory.png]"
+	)
 end
 minetest.register_on_joinplayer(function(player)
 	-- If in creative mode, modify player's inventory forms