Marked regex / concept_check as expected for all CXX versions on Tru64.

[SVN r30849]

status/explicit-failures-markup.xml

@@ -2682,9 +2682,12 @@ for more information.
             <mark-failure>
                 <toolset name="vc-8_0"/>
                 <toolset name="sunpro-5_3-sunos"/>
-                <toolset name="tru64cxx65-042"/>
                 <note author="John Maddock" refid="2"/>
             </mark-failure>
+            <mark-failure>
+                <toolset name="tru64cxx*"/>
+                <note author="Markus Schoepflin" refid="3"/>
+            </mark-failure>
         </test>
         <test name="grep">
             <mark-failure>