Merge pull request #224 from eataix/enable-freebsd-kqueue

Enable kqueue(2) on FreeBSD

libev/ev.c

@@ -2537,10 +2537,12 @@ ev_recommended_backends (void) EV_THROW
   unsigned int flags = ev_supported_backends ();
 
 #ifndef __NetBSD__
+#ifndef __FreeBSD__
   /* kqueue is borked on everything but netbsd apparently */
   /* it usually doesn't work correctly on anything but sockets and pipes */
   flags &= ~EVBACKEND_KQUEUE;
 #endif
+#endif
 #ifdef __APPLE__
   /* only select works correctly on that "unix-certified" platform */
   flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */