An empty string is valid, and can occur if e.g. a nonexistent property is
expanded.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51091
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>