Try to fix build.

I don't know how to build this code, but based on the failing
buildbot error message it looks like this change should get
the buildbot up and running again.

llvm-svn: 334231

llvm/tools/gold/gold-plugin.cpp

@@ -787,7 +787,7 @@ static int getOutputFileName(StringRef InFilename, bool TempOutFile,
     if (TaskID > 0)
       NewFilename += utostr(TaskID);
     std::error_code EC =
-        sys::fs::openFileForWrite(NewFilename, FD, sys::fs::F_None);
+        sys::fs::openFileForWrite(NewFilename, FD, sys::fs::CD_CreateAlways);
     if (EC)
       message(LDPL_FATAL, "Could not open file %s: %s", NewFilename.c_str(),
               EC.message().c_str());