Add "SUMMARYENDHEAD" tag.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56445 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/scan-build b/utils/scan-build
index c070ed3..61eb746 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -506,6 +506,7 @@
   }
 }
 </script>
+<!-- SUMMARYENDHEAD -->
 </head>
 <body>
 <h1>${HtmlTitle}</h1>