Fix a few assignments to undeclared globals

Author: sfan5

worldedit/manipulations.lua

@@ -301,7 +301,7 @@ function worldedit.stack(pos1, pos2, axis, count)
 	local amount = 0
 	local copy = worldedit.copy
 	local i = 1
-	function next_one()
+	local function next_one()
 		if i <= count then
 			i = i + 1
 			amount = amount + length

worldedit_commands/init.lua

@@ -203,7 +203,7 @@ minetest.register_on_punchnode(function(pos, node, puncher)
 	local name = puncher:get_player_name()
 	if worldedit.inspect[name] then
 		local axis, sign = worldedit.player_axis(name)
-		message = string.format("inspector: %s at %s (param1=%d, param2=%d, received light=%d) punched facing the %s axis",
+		local message = string.format("inspector: %s at %s (param1=%d, param2=%d, received light=%d) punched facing the %s axis",
 			node.name, minetest.pos_to_string(pos), node.param1, node.param2, get_node_rlight(pos), axis .. (sign > 0 and "+" or "-"))
 		worldedit.player_notify(name, message)
 	end
@@ -642,6 +642,7 @@ minetest.register_chatcommand("/hollowcylinder", {
 		end
 		length = tonumber(length)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			length = length * sign
 		end
@@ -665,6 +666,7 @@ minetest.register_chatcommand("/cylinder", {
 		end
 		length = tonumber(length)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			length = length * sign
 		end
@@ -698,6 +700,7 @@ minetest.register_chatcommand("/hollowpyramid", {
 		local found, _, axis, height, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(.+)$")
 		height = tonumber(height)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			height = height * sign
 		end
@@ -715,6 +718,7 @@ minetest.register_chatcommand("/pyramid", {
 		local found, _, axis, height, nodename = param:find("^([xyz%?])%s+([+-]?%d+)%s+(.+)$")
 		height = tonumber(height)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			height = height * sign
 		end
@@ -762,6 +766,7 @@ minetest.register_chatcommand("/copy", {
 		end
 		amount = tonumber(amount)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			amount = amount * sign
 		end
@@ -811,6 +816,7 @@ minetest.register_chatcommand("/stack", {
 		local found, _, axis, repetitions = param:find("^([xyz%?])%s+([+-]?%d+)$")
 		repetitions = tonumber(repetitions)
 		if axis == "?" then
+			local sign
 			axis, sign = worldedit.player_axis(name)
 			repetitions = repetitions * sign
 		end