Corrected toolset naming for filesystem mingw and cygwin markup.

[SVN r36971]

status/explicit-failures-markup.xml

@@ -1154,6 +1154,9 @@
           <test name="wide_test"/>
           <toolset name="gcc-3.4.2_mingw"/>
           <toolset name="gcc-3.4.5_mingw"/>
+          <toolset name="gcc-mingw-3.4.5"/>
+          <toolset name="gcc-mingw-3.4.2"/>
+          <toolset name="gcc-cygwin-3.4.4"/>
           <note author="Beman Dawes" refid="19"/> <!-- no wchar_t, wstring support -->
         </mark-expected-failures>
         <mark-expected-failures>