why crc req on free-inobt & file-type-indir options?

[L.A. Walsh]

Dave Chinner wrote:

> xfsprogs 3.1.11 doesn't support CRCs. 3.2.0 was the first version of
> xfsprogs to support CRCs, and 3.2.1 (IIRC) was the first to support
> finobt, so the make binary came from a different build to the xfs_db
> binary that xfs_admin executes.
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I'll have to do some research on this.

Q: should the versions of xfsdump&restore be the same as 
the rest of the xfsprogs?