Update clang for raw_fd_ostream no longer requiring F_Force.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79991 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PlistDiagnostics.cpp b/lib/Frontend/PlistDiagnostics.cpp
index 0b92ece..26fc080 100644
--- a/lib/Frontend/PlistDiagnostics.cpp
+++ b/lib/Frontend/PlistDiagnostics.cpp
@@ -337,8 +337,7 @@
 
   // Open the file.
   std::string ErrMsg;
-  llvm::raw_fd_ostream o(OutputFile.c_str(), ErrMsg,
-                         llvm::raw_fd_ostream::F_Force);
+  llvm::raw_fd_ostream o(OutputFile.c_str(), ErrMsg);
   if (!ErrMsg.empty()) {
     llvm::errs() << "warning: could not creat file: " << OutputFile << '\n';
     return;