K 10
svn:author
V 4
ngie
K 8
svn:date
V 27
2016-07-31T06:34:49.639053Z
K 7
svn:log
V 344
Conditionalize code which defines sysctls per _KERNEL #ifdef guard

This resolves several issues when compiling libzpool (userspace library), i.e.
-Wimplicit-function-declaration and -Wmissing-declarations issues.

MFC after:	2 weeks
Reported by:	clang
Tested with:	clang 3.8.1, gcc 4.2.1, gcc 5.3.0
Sponsored by:	EMC / Isilon Storage Division

END