[PATCH] arch/i386: Replace custom macro with isdigit()
Replace the custom is_digit() macro with isdigit() from <linux/ctype.h> Signed-off-by: NTobias Klauser <tklauser@nuerscht.ch> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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