CL 87555 added the AT_STATX_* constants which are garbled on linux/s390x due
to the replacement regex in mkpost.go being too broad. Adjust the regex to
only match on word boundaries.
Change-Id: I898547fbbbc5d02965e86300e9144fb65207ab33
Reviewed-on: https://go-review.googlesource.com/87876
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
