Make write on closed-for-write conn clearer

Author: plorenz

ziti/edge/network/conn.go

@@ -217,7 +217,7 @@ func (conn *edgeConn) Write(data []byte) (int, error) {
 		if conn.IsClosed() {
 			return 0, errors.New("connection closed")
 		}
-		return 0, errors.New("calling Write() after CloseWrite()")
+		return 0, errors.New("connection closed for writes")
 	}
 
 	if conn.sender != nil {

ziti/edge/posture/domain_notwindows.go

@@ -1,5 +1,4 @@
 //go:build !windows
-// +build !windows
 
 /*
 	Copyright 2019 NetFoundry Inc.

ziti/edge/posture/eventstates_notwindows.go

@@ -1,9 +1,8 @@
 //go:build !windows
-// +build !windows
 
 package posture
 
-// NewEvenState is a stand-in for actual non-Windows event watching
+// NewEventState is a stand-in for actual non-Windows event watching
 func NewEventState() EventState {
 	return &NoOpEventState{}
 }

ziti/edge/posture/process_notwin.go

@@ -1,4 +1,4 @@
-// +build !windows
+//go:build !windows
 
 /*
 	Copyright 2019 NetFoundry Inc.