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/Target/TargetMachineC.cpp b/llvm/lib/Target/TargetMachineC.cpp
index 5d90296..3ac9c38 100644
--- a/llvm/lib/Target/TargetMachineC.cpp
+++ b/llvm/lib/Target/TargetMachineC.cpp
@@ -219,7 +219,7 @@
 LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
   char* Filename, LLVMCodeGenFileType codegen, char** ErrorMessage) {
   std::error_code EC;
-  raw_fd_ostream dest(Filename, EC, sys::fs::F_None);
+  raw_fd_ostream dest(Filename, EC, sys::fs::OF_None);
   if (EC) {
     *ErrorMessage = strdup(EC.message().c_str());
     return true;