Add --compat=none for Lua 5.1
Add --compat=none for Lua 5.1

Undefines LUA_COMPAT_VARARG, LUA_COMPAT_MOD, LUA_COMPAT_LSTR,
LUA_COMPAT_GFIND, and LUA_COMPAT_OPENLIB before compiling.

mpeterv/hererocks,mpeterv/hererocks