Fixed typo.

[SVN r30844]

status/explicit-failures-markup.xml

@@ -852,7 +852,7 @@
             <test name="operations_test"/>
             <test name="operations_test_dll"/>
             <toolset name="gcc-*-osf1"/>
-            <toolset name="tru64-*"/>
+            <toolset name="tru64*"/>
             <note author="Markus Schoepflin">
                 The library is mostly working, the test failure observed might
                 be due to a bug in the C library of this platform.