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/lib/ProfileData/SampleProfWriter.cpp b/llvm/lib/ProfileData/SampleProfWriter.cpp
index 8b876e0..93ec2bb 100644
--- a/llvm/lib/ProfileData/SampleProfWriter.cpp
+++ b/llvm/lib/ProfileData/SampleProfWriter.cpp
@@ -350,9 +350,9 @@
   std::error_code EC;
   std::unique_ptr<raw_ostream> OS;
   if (Format == SPF_Binary || Format == SPF_Compact_Binary)
-    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::F_None));
+    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::OF_None));
   else
-    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::F_Text));
+    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::OF_Text));
   if (EC)
     return EC;