It looks like current LUA update to 5.3.0 breaks the extension. As a temporary fix make an 5.2.0 symlink to the 5.3.0 lib. It may work or not. Let us know the result.
This is my system:
-version 6.1
-3.16.6-tinycore
I installed nmap from the Apps program
Let's have a look at my lib dir...
tc@box:/usr/local/lib$ ls |grep liblua
liblua.so
liblua.so.5.3
liblua.so.5.3.0
How could i make an 5.2.0 symlink to the 5.3.0 lib ?
Maybe i can wait for the update you're talking about, i'm not in a hurry.