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/LLVMBuild.html b/docs/LLVMBuild.html
index b069467..cce607d 100644
--- a/docs/LLVMBuild.html
+++ b/docs/LLVMBuild.html
@@ -171,7 +171,7 @@
 parent = Libraries
 required_libraries = Archive BitReader Core Support TransformUtils
 </pre>
-  </div class="doc_code">
+  </div>
 
   <p>A full description of the exact sections and properties which are allowed
  follows.</p>