libclang: Port CIndexer::getClangResourcesPath to PathV2. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexer.h b/tools/libclang/CIndexer.h
index 6f000da..1b4d5c5 100644
--- a/tools/libclang/CIndexer.h
+++ b/tools/libclang/CIndexer.h
@@ -38,7 +38,7 @@
   bool DisplayDiagnostics;
   unsigned Options; // CXGlobalOptFlags.
 
-  llvm::sys::Path ResourcesPath;
+  std::string ResourcesPath;
 
 public:
  CIndexer() : OnlyLocalDecls(false), DisplayDiagnostics(false),
@@ -63,7 +63,7 @@
   }
 
   /// \brief Get the path of the clang resource files.
-  std::string getClangResourcesPath();
+  const std::string &getClangResourcesPath();
 };
 
   /**