Fix. Const name in ffi ctx:send_all.
Fix. Const name in ffi ctx:send_all.

LuaDist/lzmq-ffi,moteus/lzmq,bsn069/lzmq,LuaDist/lzmq,LuaDist/lzmq,zeromq/lzmq,bsn069/lzmq,moteus/lzmq,LuaDist/lzmq-ffi,moteus/lzmq,zeromq/lzmq,zeromq/lzmq