Changed my mind about __cxa_uncaught_exception and added it.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@148754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/spec.html b/www/spec.html
index eb0506b..687d1b8 100644
--- a/www/spec.html
+++ b/www/spec.html
@@ -354,8 +354,9 @@
 </p>
 </blockquote>
 </td>
-<td colspan="3">I don't think we want to do this.  <tt>__cxa_get_globals()</tt>
-is already exported and has this information.</td>
+<td>&#10003;</td>
+<td>&#10003;</td>
+<td>&#10003;</td>
 </tr>
 
 <tr>