Update for llvm API change.

git-svn-id: svn://svn.chromium.org/llvm-project/cfe/trunk/tools/clang-format@186448 0b72dbe1-c17f-4bc7-b9db-2b4152be0356
diff --git a/ClangFormat.cpp b/ClangFormat.cpp
index 2aa4325..7f0fb50 100644
--- a/ClangFormat.cpp
+++ b/ClangFormat.cpp
@@ -221,7 +221,7 @@
 
       std::string ErrorInfo;
       llvm::raw_fd_ostream FileStream(FileName.c_str(), ErrorInfo,
-                                      llvm::raw_fd_ostream::F_Binary);
+                                      llvm::sys::fs::F_Binary);
       if (!ErrorInfo.empty()) {
         llvm::errs() << "Error while writing file: " << ErrorInfo << "\n";
         return true;