Add new message types to header file

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I4d3a89029d2ad33da6d4737aab4abc0f308a574f
diff --git a/CHANGES b/CHANGES
index 0d8dbfa..e39544c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,8 +1,12 @@
 
 Change Summaries
 
+2019 July 12; Version 1.0.38
+	Added new message types to RIC_message_types.h.
+
 2019 July 11; Version 1.0.37
 
 	librmr and librmr_nng 
 		- Add message buffer API function rmr_trace_ref()
 		  (see rmr_trace_ref.3 manual page in dev package).
+