* scd/ccid-driver.c (scan_or_find_usb_device): Fix return value.
Support device with multiple CCID interfaces. Fix the case with
READERNO. Support partial string match of "reader-port" like PC/SC
driver.
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I don't know any device with multiple CCID interfaces, though.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>