autoconf: Don't strip binaries by default

Some distributions like to be able to ship unstripped (but optimized)
binaries.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Add support for 6-digit tokencodes

Honor the digit bitfield in the ctf string.  All this really means is
that if the digit field asks for <8 digits, we truncate the most
significant digits: 12345678 -> 345678 (for 6).  This matches the behavior
of the RSA Android app.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
securid: Fix handling of PIN-less tokens

FLD_PINMODE_MASK is already shifted.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Update changelog

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>