Add GPL header to bootstrap script

When I added the bootstrap script, I forgot to add the GPL header to it.
I believe it is a good practice to do that for every file in the
project, so I am fixing it for this specific file.

diff --git a/bootstrap.sh b/bootstrap.sh
index 1bf9968..a7c1e25 100755 (executable)
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,5 +1,21 @@
 #!/bin/sh
 
+# Copyright (C) 2014  Sergio Durigan Junior <sergiodj@sergiodj.net>
+#
+# 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 3 of the License, 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, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 # These are the necessary steps to generate the configure scripts.
 
 set -x