isdigit is not a boolean function, just returns a nonzero if the digit is a match
isdigit is not a boolean function, just returns a nonzero if the digit
is a match


git-svn-id: c4835f16671dea8638df082a44d6e32ac56ef27f@27 d2a1560e-cd8f-e3f8-4df6-3dd88a9042ca

ckhardin/libplist-posix,ckhardin/libplist-posix