Add a fixed bug


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 50a52c0..c818caa 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -127,14 +127,20 @@
 
 <!--=========================================================================-->
 <div class="doc_subsubsection">
+In this release, the following build problems were fixed:
+</div>
+
+<ol>
+<li><a href="http://llvm.cs.uiuc.edu/PR210">[build] Makefiles break if C frontend target string has unexpected value</a></li>
+</ol>
+
+<!--=========================================================================-->
+<div class="doc_subsubsection">
 In this release, the following Code Quality issues were fixed:
 </div>
 
 <ol>
-
 <li><a href="http://llvm.cs.uiuc.edu/PR187">[loopsimplify] Many pointless phi nodes are created</a></li>
-
-<li></li>
 </ol>