K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2018-01-28T19:37:30.810966Z
K 7
svn:log
V 399
Avoid implicit gcc nonnull attribute in vwarnx().

We removed the nonnull attributes from our headers long ago, but still
__printflike() includes it implicitly. This will cause the NULL check to
be optimized away in higher -O levels and it will also trigger a
-Wnonnull-compare warning.

Avoid warning with it in vwarnx().

Obtained from:	DragonfLyBSD (git 6329e2f68af73662a1960240675e796ab586bcb1)

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