cmd: fix displayed program name in single-binary
cmd: fix displayed program name in single-binary

tarantool/luarocks,keplerproject/luarocks,tarantool/luarocks,luarocks/luarocks,keplerproject/luarocks,tarantool/luarocks,luarocks/luarocks,luarocks/luarocks,keplerproject/luarocks,keplerproject/luarocks