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/unittests/Support/raw_ostream_test.cpp b/llvm/unittests/Support/raw_ostream_test.cpp
index 4ce4917..497d313 100644
--- a/llvm/unittests/Support/raw_ostream_test.cpp
+++ b/llvm/unittests/Support/raw_ostream_test.cpp
@@ -339,7 +339,7 @@
 TEST(raw_fd_ostreamTest, multiple_raw_fd_ostream_to_stdout) {
   std::error_code EC;
 
-  { raw_fd_ostream("-", EC, sys::fs::OpenFlags::F_None); }
-  { raw_fd_ostream("-", EC, sys::fs::OpenFlags::F_None); }
+  { raw_fd_ostream("-", EC, sys::fs::OpenFlags::OF_None); }
+  { raw_fd_ostream("-", EC, sys::fs::OpenFlags::OF_None); }
 }
 }