scale.lua: fix inconsistent whitespace

worldeditadditions_commands/commands/scale.lua

@@ -37,7 +37,7 @@ worldedit.register_command("scale", {
 		
 		if #parts == 2 then
 			if not (parts[1] == "x" or parts[1] == "y" or parts[1] == "z"
-			 	or parts[1] == "-x" or parts[1] == "-y" or parts[1] == "-z") then
+				or parts[1] == "-x" or parts[1] == "-y" or parts[1] == "-z") then
 				return false, "Error: Got 2 arguments, but the first doesn't look like the name of an axis."
 			end
 			local axis = parts[1]