KTemporaryFile::createLocalFile()

[Jaison Lee]

> The sticky bit doesn't solve the problem related to creating a file,
> deleting, then recreating it with the same name (which is what Dominik
> wanted).

No, that's not what the patch does. The file is never deleted; it will
be reopened in place. Oswald is correct; the patch is fairly security
safe, at least on a good working posix system. The question in my mind
is wether or not we want to easily allow the method the new function
is implementing.