Include Path.h instead of PathV2.h.

I am about to move PathV2.h to Path.h.

llvm-svn: 183795

clang/lib/Serialization/GlobalModuleIndex.cpp

@@ -26,7 +26,7 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/LockFileManager.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/PathV2.h"
+#include "llvm/Support/Path.h"
 #include <cstdio>
 using namespace clang;
 using namespace serialization;