api: add openbsd syscall constants

Change-Id: I3ec00dac5e7d0e6dcafb7d65851bc53e0661c2b6
Reviewed-on: https://go-review.googlesource.com/34500
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/api/go1.8.txt b/api/go1.8.txt
index 9493f2c..5e21b07 100644
--- a/api/go1.8.txt
+++ b/api/go1.8.txt
@@ -246,6 +246,10 @@
 pkg sort, func SliceStable(interface{}, func(int, int) bool)
 pkg syscall (linux-arm-cgo), func TimevalToNsec(Timeval) int64
 pkg syscall (linux-arm), func TimevalToNsec(Timeval) int64
+pkg syscall (openbsd-386), const SYS_KILL = 122
+pkg syscall (openbsd-386-cgo), const SYS_KILL = 122
+pkg syscall (openbsd-amd64), const SYS_KILL = 122
+pkg syscall (openbsd-amd64-cgo), const SYS_KILL = 122
 pkg syscall (windows-386), const ERROR_DIR_NOT_EMPTY = 145
 pkg syscall (windows-386), const ERROR_DIR_NOT_EMPTY Errno
 pkg syscall (windows-amd64), const ERROR_DIR_NOT_EMPTY = 145