Include pruning and general cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169095 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/TemplateBase.cpp b/lib/AST/TemplateBase.cpp
index e9ee385..f5dda30 100644
--- a/lib/AST/TemplateBase.cpp
+++ b/lib/AST/TemplateBase.cpp
@@ -23,6 +23,7 @@
 #include "clang/Basic/Diagnostic.h"
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <cctype>