btrfs-progs: image: use common message helpers
authorDavid Sterba <dsterba@suse.com>
Fri, 30 Sep 2016 11:00:24 +0000 (13:00 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 3 Oct 2016 13:07:23 +0000 (15:07 +0200)
commitf446c027ca5642f446498704b1cb1d30db7b58ca
tree6f025591cbb56131a2d59e8c4c808df551a71508
parentb2fbec8be11403d453dc36c392f8235daa0936bc
btrfs-progs: image: use common message helpers

Usage errors are turned to normal errors.

Signed-off-by: David Sterba <dsterba@suse.com>
btrfs-image.c