hwclock: sometimes one day lasts 23 hours.

If less than 23 hours have passed since the last calibration, hwclock
says "Not adjusting drift factor because it has been less than a day since
the last calibration.", but in fact compares to 23 hours, not 24.

This was originally reported at:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=689534

Signed-off-by: Andreas Henriksson <andreas@fatal.se>
libmount: special treatment for auto in fstype pattern

Let's support

  mount -t ext2,auto /dev/sde /media/stick

Reported-by: Andreas Henriksson <andreas@fatal.se>
Addresses: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=506695
Signed-off-by: Karel Zak <kzak@redhat.com>