QTemporaryFile: add a simpler rename() (non-virtual) override

Calling the parent version is still ok, but if you call the new one you
get a bit of benefit. Since we control the file name, we don't have to
worry about a case-changing renaming (by choice). We also know that the
file is a regular one, because we created it.

[ChangeLog][Important Behavior Changes][QTemporaryFile] rename() no
longer attempts to do block copying, as that usually indicates a mistake
in the user's code. Instead, either create the temporary file in the
same directory as the new name to be, or use QSaveFile.

Change-Id: I1eba2b016de74620bfc8fffd14ccaac0cdb9fe87
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

0 files changed, 0 insertions, 0 deletions