K 10
svn:author
V 6
rlibby
K 8
svn:date
V 27
2017-07-18T06:15:05.139548Z
K 7
svn:log
V 320
qlnx: gcc build errors

Propagate warning flags from kern.opts.mk and then fix minor -Werror
issues when building with gcc from -Wredundant-decls, -Wnested-externs,
-Wuninitialized.

Reviewed by:	davidcs
Approved by:	markj (mentor)
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D11413

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