Patches for HP aCC and Compaq tru64

[SVN r37106]

libs/regex

@@ -1 +1 @@
-Subproject commit b93dc9c301e450fb6defdab3e2a7a8840eb12aba
+Subproject commit 2ebe6d4ec7da1cbc065255febf3caa9b934dd208

status/explicit-failures-markup.xml

@@ -3600,7 +3600,6 @@ for more information.
             </mark-failure>
             <mark-failure>
                 <toolset name="tru64cxx*"/>
-                <toolset name="hp_cxx*"/>
                 <note author="Markus Schoepflin" refid="3"/>
             </mark-failure>
         </test>