Update project authors statements to Dartino

pkg/os/lib/net_structs_macos.dart

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 // Accessor classes to read and write networking related structures.
 
 part of os;
 
 class MacOSAddrInfo extends AddrInfo {
   MacOSAddrInfo() : super._();
   MacOSAddrInfo.fromAddress(int address) : super._fromAddress(address);
@@ skipping 28 matching lines @@
 
   int get family => buffer.getUint8(adr(1));
   set family(int family) {
     buffer.setUint8(adr(1), family);
   }
 }
 
 class MacOSSockAddrIn = PosixSockAddrIn with MacOSSockAddrStorageMixin;
 
 class MacOSSockAddrIn6 = PosixSockAddrIn6 with MacOSSockAddrStorageMixin;