[FYI] {micro} maint: add a missing copyright notice

[Stefano Lattarini]

* t/ax/deltree.pl: Here.  Issue revealed by "make update-copyright".

Signed-off-by: Stefano Lattarini <address@hidden>
---
 t/ax/deltree.pl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/t/ax/deltree.pl b/t/ax/deltree.pl
index 7060766..9b638dd 100644
--- a/t/ax/deltree.pl
+++ b/t/ax/deltree.pl
@@ -2,6 +2,21 @@
 # deltree: recursively removes file and directory,
 # trying to handle permissions and other complications.
 
+# Copyright (C) 2013 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program 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 General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 use strict;
 use warnings FATAL => 'all';
 use File::Path qw/rmtree/;
-- 
1.8.3.rc3.260.g1462b67