std lib: fix various typos in comments
Where the spelling changed from British to
US norm (e.g., optimise -> optimize) it follows
the style in that file.
LGTM=adonovan
R=golang-codereviews, adonovan
CC=golang-codereviews
https://golang.org/cl/96980043
diff --git a/src/pkg/syscall/route_openbsd.go b/src/pkg/syscall/route_openbsd.go
index 223c157..19f902d 100644
--- a/src/pkg/syscall/route_openbsd.go
+++ b/src/pkg/syscall/route_openbsd.go
@@ -27,7 +27,7 @@
}
// InterfaceAnnounceMessage represents a routing message containing
-// network interface arrival and depature information.
+// network interface arrival and departure information.
type InterfaceAnnounceMessage struct {
Header IfAnnounceMsghdr
}
