[libsigcplusplus] tests: Move copyright headers to top.

[Murray Cumming <murrayc src gnome org>]

commit b324d0fc0dd0677b3b5e3b87d1d93f309c08cb27
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Apr 20 08:44:13 2016 +0200

    tests: Move copyright headers to top.

 tests/test_bind_refptr.cc |   34 +++++++++++++++++-----------------
 1 files changed, 17 insertions(+), 17 deletions(-)
---
diff --git a/tests/test_bind_refptr.cc b/tests/test_bind_refptr.cc
index 7b7d3a4..202baf3 100644
--- a/tests/test_bind_refptr.cc
+++ b/tests/test_bind_refptr.cc
@@ -1,3 +1,20 @@
+/* Copyright 2002 - 2016, The gtkmm Development Team
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
 // Bug 564005 - Valgrind errors and crash on exit with Gtk::UIManager
 // Bug 154498 - Unnecessary warning on console: signalproxy_connectionnode.cc
 
@@ -16,23 +33,6 @@
 #ifndef _GLIBMM_REFPTR_H
 #define _GLIBMM_REFPTR_H
 
-/* Copyright 2002 - 2016, The gtkmm Development Team
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
 //#include <glibmmconfig.h>
 
 namespace Glib