Bug#906697: ck: baseline violation on i386

[JCF Ploemen]

Looks like upstream release 0.7.0 has an option to disable sse, see:
https://github.com/concurrencykit/ck/commit/f00aaa977b0cbdfb513e1e4e68c1e31ec42270d7

pgp9CzK01XWDT.pgp
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