Fix message when copying directories. Ignore non-zero exit status in diff.
-rw-r--r-- 18002 COPYING
-rwxr-xr-x 22048 deblob-2.6.23
-rwxr-xr-x 22180 deblob-2.6.24
-rwxr-xr-x 22309 deblob-2.6.25
-rwxr-xr-x 70713 deblob-check
-rwxr-xr-x 6768 deblob-main