p2p: don't discard reason set by Disconnect (#16559)

gsalgado · gbalint · commit f03662736a0e · 2018-05-23T12:03:46.000+02:00
Peer.run was discarding the reason for disconnection sent to the disc
channel by Disconnect.
diff --git a/p2p/peer.go b/p2p/peer.go
@@ -220,6 +220,7 @@ loop:
 			reason = discReasonForError(err)
 			break loop
 		case err = <-p.disc:
+			reason = discReasonForError(err)
 			break loop
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -220,6 +220,7 @@ loop:`
`220`	`220`	`reason = discReasonForError(err)`
`221`	`221`	`break loop`
`222`	`222`	`case err = <-p.disc:`
	`223`	`+ reason = discReasonForError(err)`
`223`	`224`	`break loop`
`224`	`225`	`}`
`225`	`226`	`}`