Marked numeric/ublas unusable with msvc-7.1_stlport4.

[SVN r36967]

status/explicit-failures-markup.xml

@@ -2796,6 +2796,13 @@ for more information.
             <toolset name="gcc-2.95*"/>
             <note author="M.Stevens" refid="30"/>
         </mark-unusable>
+        <mark-unusable>
+            <toolset name="msvc-7.1_stlport4"/>
+            <note author="Roland Schwarz">
+                This old version of the stlport library causes the BOOST_NO_STDC_NAMESPACE 
+                macro to be set. But this conflicts with the requirements of the library.
+            </note>
+        </mark-unusable>
         <mark-expected-failures>
             <test name="test3"/>
             <toolset name="qcc-3.3.5*cpp"/>