K 10
svn:author
V 7
asomers
K 8
svn:date
V 27
2016-02-18T20:08:01.609692Z
K 7
svn:log
V 402
Fix compiler warnings in iostat

Raise WARNS from 1 to 6 (the default)
Fix warnings:
* Use C99 designated initializers for structs, and initialize all fields
* Mark global variables as static
* Mark unused function arguments
* Be careful about signed/unsigned comparisons

Reviewed by:	eadler
MFC after:	4 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D5328

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