Samll cleanup in drivers/isdn/gigaset/capi.c where own implementation of
isxdigit() has been changed to kernel native one.
Signed-off-by: NAndy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: NTilman Schmidt <tilman@imap.cc>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>