mk_core: event_epoll: define EPOLLRDHUP for old systems
mk_core: event_epoll: define EPOLLRDHUP for old systems

Signed-off-by: Eduardo Silva <81f705dc2ce1a61a2621e0e4b442a9474e1d0c70@monkey.io>

dreamsxin/monkey,monkey/monkey,monkey/monkey,monkey/monkey,monkey/monkey,monkey/monkey,dreamsxin/monkey,dreamsxin/monkey,monkey/monkey,dreamsxin/monkey,dreamsxin/monkey