net: core: let's use native isxdigit instead of custom
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 27 Mar 2013 05:54:13 +0000 (05:54 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 27 Mar 2013 16:48:32 +0000 (12:48 -0400)
In kernel we have fast and pretty implementation of the isxdigit() function.
Let's use it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/utils.c

Simple merge