Subfiles with bitmap images are usually prefixed with '|', but sometimes not.
Signed-off-by: Jean-Christophe Cardot <wine@cardot.net>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
(cherry picked from commit 91f89b4f)
Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>