btrfs: scrub: inline helper scrub_free_wr_ctx

The helper scrub_free_wr_ctx is used only once and fits into
scrub_free_ctx as it continues sctx shutdown, no need to keep it
separate.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-05-16 19:10:26 +02:00
commit e241ddeb9c