NOTICE file and logn:
Apply changes to migrate to LLVM 2010 Nov 10th:

Change-Id: Ib8d3675b4701957f299f249ac72e8a43c2a6bc4c
diff --git a/slang.h b/slang.h
index a1c2619..ced1266 100644
--- a/slang.h
+++ b/slang.h
@@ -37,6 +37,7 @@
 namespace clang {
   class Diagnostic;
   class FileManager;
+  class FileSystemOptions;
   class SourceManager;
   class LangOptions;
   class Preprocessor;
@@ -90,6 +91,7 @@
 
   // The file manager (for prepocessor doing the job such as header file search)
   llvm::OwningPtr<clang::FileManager> mFileMgr;
+  llvm::OwningPtr<clang::FileSystemOptions> mFileSysOpt;
   void createFileManager();
 
   // The source manager (responsible for the source code handling)