lib, net: make isodigit() public and use it

There are at least two users of isodigit().  Let's make it a public
function of ctype.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 5276b99ca650..46032453abd5 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -281,7 +281,6 @@ static inline int parse_lineno(const char *str, unsigned int *val)
  * allow the user to express a query which matches a format
  * containing embedded spaces.
  */
-#define isodigit(c)             ((c) >= '0' && (c) <= '7')
 static char *unescape(char *str)
 {
         char *in = str;