marked file_descriptor_test as an expected failure on gcc 3.3 (Cygwin) (iostreams)

[SVN r29543]

status/explicit-failures-markup.xml

@@ -932,13 +932,16 @@
             <toolset name="*como-4_3_3*"/>
             <note author="Jonathan Turkanis" refid="0"/>
         </mark-expected-failures>
-        <mark-expected-failures>
+        <mark-expected-failures reason="?">
             <test name="direct_adapter_test"/>
             <test name="gzip_test"/>
             <toolset name="gcc-2.95.3-linux"/>
-            <note author="Jonathan Turkanis">
-                Undiagnosed runtime failure
-            </note>
+            <note author="Jonathan Turkanis" refid="29"/>
+        </mark-expected-failures>
+        <mark-expected-failures reason="?">
+            <test name="file_descriptor_test"/>
+            <toolset name="gcc-3_3_3-cygwin"/>
+            <note author="Jonathan Turkanis" refid="29"/>
         </mark-expected-failures>
         <mark-expected-failures>
             <test name="finite_state_filter_test"/>