ed neville 0496b39876 uptime: Correctly print pretty/short format
uptime -p would show empty output after 52 weeks of uptime. This commit
is largely the work of Ed but reformatted for newlib branch.

Signed-off-by: Craig Small <csmall@dropbear.xyz>

References:
 procps-ng/procps!141
 procps-ng/procps#217
2021-10-14 19:37:42 +11:00
..
2021-02-20 22:30:31 +11:00
2021-02-20 22:30:31 +11:00
2021-01-21 17:37:48 +11:00
2020-07-05 21:18:36 +10:00
2021-01-21 17:37:48 +11:00
2021-01-21 17:37:48 +11:00
2021-01-21 17:37:48 +11:00