Fixed a couple of failing tar tests

The tar symlinks mode test is fixed similarly to the hardlinks
test in 0d7cb4cc, and the read-only test is skipped by
SKIP_KNOWN_BUGS.

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
1 file changed