Fixup LUAROCKS_PREFIX when copying over site_config.lua. See #625.
Fixup LUAROCKS_PREFIX when copying over site_config.lua.
See #625.

xpol/luarocks,tarantool/luarocks,luarocks/luarocks,robooo/luarocks,xpol/luainstaller,xpol/luarocks,xpol/luavm,keplerproject/luarocks,tarantool/luarocks,xpol/luarocks,xpol/luavm,xpol/luainstaller,xpol/luavm,keplerproject/luarocks,luarocks/luarocks,xpol/luainstaller,xpol/luavm,xpol/luarocks,xpol/luavm,robooo/luarocks,keplerproject/luarocks,robooo/luarocks,robooo/luarocks,xpol/luainstaller,keplerproject/luarocks,tarantool/luarocks,luarocks/luarocks