[chrony-users] libchrony patch

[Thangalin]

See attached.

Consider adding a BUILD.md that includes libtool and libtool-bin as
prerequisites.

Cheers!

diff --git a/message.c b/message.c
index 89633f8..d78e71b 100644
--- a/message.c
+++ b/message.c
@@ -502,6 +502,7 @@ struct timespec get_field_timespec(const Message *msg, int field) {
 		ts.tv_nsec = ntohl(*(uint32_t *)(data + 8));
 		break;
 	default:
+    break;
 	}
 
 	return ts;