Fix kqueue.c build on GNU/kFreeBSD systems.

Yes, some people like to have a BSD-family kernel (thus getting
kqueue) with a GNU-family libc (thus occasionally mandating
_GNU_SOURCE).

Thanks to Debian for noticing this.

svn:r1514

1 files changed, 2 insertions, 0 deletions

diff --git a/kqueue.c b/kqueue.c
index cbcbb41a..7a92bbda 100644
--- a/kqueue.c
+++ b/kqueue.c
@@ -30,6 +30,8 @@
 #include "event-config.h"
 #endif
 
+#define _GNU_SOURCE
+
 #include <sys/types.h>
 #ifdef _EVENT_HAVE_SYS_TIME_H
 #include <sys/time.h>