appveyor.yml: Sync copyright header

diff --git a/appveyor.yml b/appveyor.yml
index e2ffadbeec3393f87006c3591de73d47646cb726..8df91c81eca4ca8be43f9fd9ae99c2b91fe2175b 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,6 +7,7 @@
 #                               |_| XML parser
 #
 # Copyright (C) 2017 José Gutiérrez de la Concha <jose@zeroc.com>
+# Copyright (C) 2017 Expat development team
 # Licensed under the MIT license:
 #
 # Permission is  hereby granted,  free of charge,  to any  person obtaining