Without this we leak an fd on each domain shutdown and eventually run

out of file descriptors meaning new the console of new domains are not
logged.

Seems to have been accidentally removed in 16638:28921e83000b.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
xen-unstable changeset:   21818:9ccd024065c5
xen-unstable date:        Mon Jul 19 12:21:24 2010 +0100

tools/console/daemon/io.c

@@ -748,6 +748,11 @@ static void cleanup_domain(struct domain *d)
 {
 	domain_close_tty(d);
 
+	if (d->log_fd != -1) {
+		close(d->log_fd);
+		d->log_fd = -1;
+	}
+
 	free(d->buffer.data);
 	d->buffer.data = NULL;