correct the name of failed tests for date-time so they are marked correctly

[SVN r37040]

status/explicit-failures-markup.xml

@@ -975,8 +975,8 @@
         </mark-expected-failures>
 
         <mark-expected-failures>
-            <test name="testdate_input"/>
-            <test name="testdate_input_dll"/>
+            <test name="testdate_input_facet"/>
+            <test name="testdate_input_facet_dll"/>
             <toolset name="msvc-7.1_stlport4"/>
             <note author="J. Garland">
                The STLPort standard library has issues with some custom