marked gcc-2.95 as usable with iostreams

[SVN r29304]

status/explicit-failures-markup.xml

@@ -863,10 +863,12 @@
                 Many workarounds would be required to support toolset
             </note>
         </mark-unusable>
-        <mark-unusable>
-            <toolset name="gcc-2.95.3-linux"/>
-            <note refid="5" author="D. Gregor"/>
-        </mark-unusable>
+        <!-- 
+			<mark-unusable>
+				<toolset name="gcc-2.95.3-linux"/>
+				<note refid="5" author="D. Gregor"/>
+			</mark-unusable>
+		-->
         <mark-expected-failures>
             <test name="seekable_file_test"/>
             <toolset name="gcc-2.95.3-stlport-4.5.3-linux"/>