f2fs-tools: Fix debug size print

The conversion from block size to MB in this debug statement assumes a
block size of 4K. This switches it to properly use the filesystem's
block size.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed