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/GarbageCollection.html b/docs/GarbageCollection.html
index b155bb9..d0b651e 100644
--- a/docs/GarbageCollection.html
+++ b/docs/GarbageCollection.html
@@ -334,11 +334,11 @@
     
     // For roots [0, NumMeta), the metadata pointer is in the FrameMap.
     for (unsigned e = R->Map->NumMeta; i != e; ++i)
-      Visitor(&R->Roots[i], R->Map->Meta[i]);
+      Visitor(&R->Roots[i], R->Map->Meta[i]);
     
     // For roots [NumMeta, NumRoots), the metadata pointer is null.
     for (unsigned e = R->Map->NumRoots; i != e; ++i)
-      Visitor(&R->Roots[i], NULL);
+      Visitor(&R->Roots[i], NULL);
   }
 }</pre></div>
 
@@ -398,7 +398,7 @@
 </div>
 
 <div class="doc_code"><tt>
-  define <i>ty</i> @<i>name</i>(...) <u>gc "<i>name</i>"</u> { ...
+  define <i>ty</i> @<i>name</i>(...) <span style="text-decoration: underline">gc "<i>name</i>"</span> { ...
 </tt></div>
 
 <div class="doc_text">