Guard against using the obsolete predef/check/predef.jam

doc/history.adoc

@@ -1,5 +1,5 @@
 ////
-Copyright 2014-2021 René Ferdinand Rivera Morell
+Copyright 2014-2024 René Ferdinand Rivera Morell
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE_1_0.txt or copy at
 http://www.boost.org/LICENSE_1_0.txt)
@@ -7,6 +7,11 @@ http://www.boost.org/LICENSE_1_0.txt)
 
 = History
 
+== 1.15.1
+
+* Guard against using the obsolete `predef/check/predef.jam` B2 module.
+  Instead of using the current `predef/tools/check/predef.jam` module.
+
 == 1.15.0
 
 * Add detection of Microsoft STL (from Henrik Gaßmann).