syncprov message id issue fix from HEAD

CHANGES

@@ -21,6 +21,7 @@ OpenLDAP 2.3.14 Engineering
 	Fixed slapd-ldap anonymous identity assertion (ITS#4272)
 	Fixed slapo-rwm static DN free bug (ITS#4248)
 	Fixed slapo-syncprov unpublished control (ITS#4238)
+	Fixed slapo-syncprov message id issue
 	Fixed slapo-unique extraneous searches (ITS#4267)
 	Updated slapo-dynlist (ITS#3756,4224)
 	Build environment

servers/slapd/slap.h

@@ -1647,7 +1647,7 @@ struct syncinfo_s;
 #define SLAP_SYNC_RID_SIZE	3
 #define SLAP_SYNCUUID_SET_SIZE 256
 
-#define	SLAP_SYNC_UPDATE_MSGID	2
+#define	SLAP_SYNC_UPDATE_MSGID	1
 
 struct sync_cookie {
 	struct berval ctxcsn;