common: always pass -f to $DUMP_COMPRESSOR

If the test runner gave us the name of a program to use to compress
dumps, always pass -f to overwrite older compressed images, like the
documentation says we do. This prevents the test suite from stalling on
"foo.md.gz exists, overwrite?" prompts.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2 files changed