Move PreprocessorOptions into the Lex library, and make it intrusively
reference-counted.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166587 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ARCMigrate/FileRemapper.cpp b/lib/ARCMigrate/FileRemapper.cpp
index e9b49b3..28ca9a5 100644
--- a/lib/ARCMigrate/FileRemapper.cpp
+++ b/lib/ARCMigrate/FileRemapper.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/ARCMigrate/FileRemapper.h"
-#include "clang/Frontend/PreprocessorOptions.h"
+#include "clang/Lex/PreprocessorOptions.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/Diagnostic.h"
 #include "llvm/Support/MemoryBuffer.h"