Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC

F_{None,Text,Append} are kept for compatibility since r334221.

llvm-svn: 367800
diff --git a/llvm/tools/llvm-modextract/llvm-modextract.cpp b/llvm/tools/llvm-modextract/llvm-modextract.cpp
index 3adefc5..7c40996 100644
--- a/llvm/tools/llvm-modextract/llvm-modextract.cpp
+++ b/llvm/tools/llvm-modextract/llvm-modextract.cpp
@@ -54,7 +54,7 @@
 
   std::error_code EC;
   std::unique_ptr<ToolOutputFile> Out(
-      new ToolOutputFile(OutputFilename, EC, sys::fs::F_None));
+      new ToolOutputFile(OutputFilename, EC, sys::fs::OF_None));
   ExitOnErr(errorCodeToError(EC));
 
   if (BinaryExtract) {