Add/fix copyright notices and adjust to latest GNU FDL.

tests/general/Makefile.am

@@ -1,7 +1,7 @@
 ## Process this file with automake to create Makefile.in.
 
 ## Makefile for Autoconf testsuite.
-## Copyright 2000, 2003 Free Software Foundation, Inc.
+## Copyright (C) 2000, 2003 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

tests/general/atgeneral.m4

@@ -1,6 +1,6 @@
 include(m4sh.m4)					    -*- Autoconf -*-
 # M4 macros used in building test suites.
-# Copyright 2000 Free Software Foundation, Inc.
+# Copyright (C) 2000 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

tests/general/dd.at

@@ -1,5 +1,22 @@
 #							-*- autoconf -*-
 
+# Copyright (C) 2000 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 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.
+
 cat <<EOF
 
 Executables (autoheader, autoupdate...)