Fix warnings and global vars

mods/ITEMS/mcl_core/nodes_trees.lua

@@ -24,7 +24,7 @@ end
 -- @param oldnode the node table of the removed trunk node.
 function mcl_core.update_leaves(pos, oldnode)
 	local pos1, pos2 = vector.offset(pos, -6, -6, -6), vector.offset(pos, 6, 6, 6)
-	local lnode
+	local lnode, lmeta
 	local leaves = minetest.find_nodes_in_area(pos1, pos2, "group:leaves")
 	for _, lpos in pairs(leaves) do
 		lnode = minetest.get_node(lpos)

mods/ITEMS/mcl_mobspawners/init.lua

@@ -317,7 +317,7 @@ minetest.register_node("mcl_mobspawners:spawner", {
 		if obj then
 			obj:remove()
 		end
-		if not minetest.is_creative_enabled(name) then
+		if not minetest.is_creative_enabled("") then
 			mcl_experience.throw_xp(pos, math.random(15, 43))
 		end
 	end,

mods/ITEMS/mcl_starting_inventory/mod.conf

@@ -1,3 +1,4 @@
+name = mcl_starting_inventory
 title = mcl_starting_inventory
 description = Mineclone 2 mod, Give Starting Inventory
 depends = mcl_core, mcl_tools, mcl_torches