Documentation: fix HTML validation errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78196 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ExceptionHandling.html b/docs/ExceptionHandling.html
index 56318a4..6ec6ab8 100644
--- a/docs/ExceptionHandling.html
+++ b/docs/ExceptionHandling.html
@@ -426,6 +426,8 @@
 llvm.eh.sjlj.longjmp</tt></a> in the second word. The following three words
 are available for use in a target-specific manner.</p>
 
+</div>
+
 <!-- ======================================================================= -->
 <div class="doc_section">
   <a name="asm">Asm Table Formats</a>