Port mksysctl_openbsd.pl Perl script to mksysctl_openbsd.go.
mkall.sh script is modified to run mksysctl_openbsd.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files. Any missing build tag is
also added in generated files.
Fixesgolang/go#27779
Change-Id: I9f946d2818feb31e710029927f089904c5e272cf
Reviewed-on: https://go-review.googlesource.com/c/sys/+/174127
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>