Sink some PTHManager includes out of Preprocessor.h
This reduces the number of .cpp files needed to be rebuilt after
touching OnDiskHashTable from 120 to 21 for me.
llvm-svn: 251810
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 3d62d88..c82e897 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -20,6 +20,7 @@
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/FrontendOptions.h"
#include "clang/Lex/HeaderSearch.h"
+#include "clang/Lex/PTHManager.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Serialization/ASTReader.h"