Fix poll example, open failed due to wrong 2nd argument type, probably from old lposix API?
Fix poll example, open failed due to wrong 2nd argument type, probably
from old lposix API?

zevv/luaposix,rrthomas/luaposix,snegovick/luaposix,rrthomas/luaposix,luaposix/luaposix,snegovick/luaposix,ardje/luaposix,ardje/luaposix,jimmyharris/luaposix,jimmyharris/luaposix,zevv/luaposix