Update for llvm API change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186448 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-format/ClangFormat.cpp b/tools/clang-format/ClangFormat.cpp
index 2aa4325..7f0fb50 100644
--- a/tools/clang-format/ClangFormat.cpp
+++ b/tools/clang-format/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;