Fix crash on loading invalid schematic (fixes #160)

diff --git a/worldedit_commands/init.lua b/worldedit_commands/init.lua
index 70b5debb7fbd49122bd62ea5a3f11935667bb188..66fb264cc69576c682bcf99f609a02e93ed05d67 100644 (file)
--- a/worldedit_commands/init.lua
+++ b/worldedit_commands/init.lua
@@ -1150,7 +1150,7 @@ minetest.register_chatcommand("/allocate", {
                file:close()\r
 \r
                local version = worldedit.read_header(value)\r
-               if version == 0 then\r
+               if version == nil or version == 0 then\r
                        worldedit.player_notify(name, "File is invalid!")\r
                        return\r
                elseif version > worldedit.LATEST_SERIALIZATION_VERSION then\r
@@ -1211,7 +1211,7 @@ minetest.register_chatcommand("/load", {
                file:close()\r
 \r
                local version = worldedit.read_header(value)\r
-               if version == 0 then\r
+               if version == nil or version == 0 then\r
                        worldedit.player_notify(name, "File is invalid!")\r
                        return\r
                elseif version > worldedit.LATEST_SERIALIZATION_VERSION then\r