Linux: fix libevent bug.

third_party/libevent/epoll.c

Index: third_party/libevent/epoll.c
diff --git a/third_party/libevent/epoll.c b/third_party/libevent/epoll.c
index bfb3140eca5e8b8a908f307e7b3fae8722104300..0e70466f64035eee13b6660f70dabc87a2e61877 100644
--- a/third_party/libevent/epoll.c
+++ b/third_party/libevent/epoll.c
@@ -171,7 +171,7 @@ epoll_recalc(struct event_base *base, void *arg, int max)
 		int nfds;
 
 		nfds = epollop->nfds;
-		while (nfds < max)
+		while (nfds <= max)

[agl, 2009/06/02 23:18:14]

|max| is an index into fds which needs to be valid. If |max| == |nfds| then
|fds| is still too short, but won't be resized.

 			nfds <<= 1;
 
 		fds = realloc(epollop->fds, nfds * sizeof(struct evepoll));