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/StaticAnalyzer/Checkers/TraversalChecker.cpp b/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
index b97cd6c..cc2df72 100644
--- a/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
@@ -18,6 +18,7 @@
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace clang;
 using namespace ento;