ITS#7294 reference RFC4526 instead of draft

doc/man/man5/slapd-ldap.5

@@ -499,7 +499,7 @@ Discards current cached connection when the client rebinds.
 .TP
 .B t\-f\-support {NO|yes|discover}
 enable if the remote server supports absolute filters
-(see \fIdraft-zeilenga-ldap-t-f\fP for details).
+(see \fIRFC 4526\fP for details).
 If set to
 .BR discover ,
 support is detected by reading the remote server's root DSE.

doc/man/man5/slapd-meta.5

@@ -639,7 +639,7 @@ of the rewrite rules it implies.
 .TP
 .B t\-f\-support {NO|yes|discover}
 enable if the remote server supports absolute filters
-(see \fIdraft-zeilenga-ldap-t-f\fP for details).
+(see \fIRFC 4526\fP for details).
 If set to
 .BR discover ,
 support is detected by reading the remote server's root DSE.