more godoc tweaks

packer-plugin-sdk/communicator/ssh/ssh.go

@@ -1,3 +1,5 @@
+// Package SSH provides tooling for generating a temporary SSH keypair, and
+// provides tooling for connecting to an instance via a tunnel.
 package ssh
 
 import (

packer-plugin-sdk/filelock/doc.go

@@ -2,5 +2,4 @@
 Package filelock makes it easy to create and check file locks for concurrent
 processes.
 */
-
 package filelock

packer-plugin-sdk/guestexec/doc.go

@@ -8,5 +8,4 @@ Note that to successfully use this package your provisioner must have knowledge
 of the guest type, which is not information that builders generally collect --
 your provisioner will have to require guest information in its config.
 */
-
 package guestexec

packer-plugin-sdk/iochan/iochan.go

@@ -1,3 +1,5 @@
+// Package iochan is a Go library for treating `io` readers and writers like
+// channels.
 package iochan
 
 import (