The s3::readable_file::stat() call returns a hand-crafted stat structure
with some fields set to some sane values, most are constants. However,
other fields remain not initialized which leads to troubles sometimes.
Better to fill the stat with zeroes and later revisit it for more sane
values.
fixes: #13645
refs: #13649
Using designated initializers is not an option here, see PR #13499
Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
Closes#13650
9a9dbffce3