Use correct interrupt method when timerfd is not available.

asio/include/asio/detail/impl/epoll_reactor.ipp

diff --git a/asio/include/asio/detail/impl/epoll_reactor.ipp b/asio/include/asio/detail/impl/epoll_reactor.ipp
index 0a70c85..a95b8f2 100644
--- a/asio/include/asio/detail/impl/epoll_reactor.ipp
+++ b/asio/include/asio/detail/impl/epoll_reactor.ipp
@@ -356,7 +356,7 @@
     return;
   }
 #endif // defined(ASIO_HAS_TIMERFD)
-  interrupter_.interrupt();
+  interrupt();
 }
 
 int epoll_reactor::get_timeout()