stat: fix mtime/ctime/atime

If you set CONFIG_FEATURE_STAT_FORMAT=n, two of the three printed
times are wrong, because a global buffer is reused. Fix below.

Signed-off-by: Eric Lammerts <busybox@lists.lammerts.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed