Re-run ./mkall.sh to avoid exporting Pad_cgo* fields on solaris/amd64.
Akin to CL 89495.

Updates golang/go#18632

Change-Id: Ib80bf6376d0b7c0a5efd0f5d4a0f27e8e37d8abe
Reviewed-on: https://go-review.googlesource.com/100556
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>