update file headers with license information (SPDX)
diff --git a/examples/wxTerminal.py b/examples/wxTerminal.py
index 5ba8ba7..47ee698 100755
--- a/examples/wxTerminal.py
+++ b/examples/wxTerminal.py
@@ -1,5 +1,10 @@
 #!/usr/bin/env python
-# generated by wxGlade 0.3.1 on Fri Oct 03 23:23:45 2003
+#
+# A simple terminal application with wxPython.
+#
+# (C) 2001-2015 Chris Liechti <cliechti@gmx.net>
+#
+# SPDX-License-Identifier:    BSD-3-Clause
 
 #from wxPython.wx import *
 import wx