llvm/docs/*.html: Fix markups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153508 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ExceptionHandling.html b/docs/ExceptionHandling.html
index 42881f5..5ee1c4b 100644
--- a/docs/ExceptionHandling.html
+++ b/docs/ExceptionHandling.html
@@ -497,6 +497,8 @@
 
 </div>
 
+</div>
+
 <!-- ======================================================================= -->
 <h2>
   <a name="asm">Asm Table Formats</a>