usp10/tests: Also restore the previous font when the finger print matches in _find_font_for_range().

Otherwise the subsequent SelectObject() call will set *origFont to *hfont.
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>