8228 cstyle: Remove space-tab sequences in /* All Rights Reserved */
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Robert Mustacchi <rm@joyent.com>

backout 6711665/6711691: causes 6717918

PSARC 2008/348 Widening IOCPARM_MASK
PSARC 2008/367 Remove MAXIOCBSZ
6711665 Widen IOCPARM_MASK to 0x1fff
6711691 Remove MAXIOCBSZ logic

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