Relicense qemu.h under LGPLv2+

[Bruno Haible]

I need qemu.h in GNU libiconv; therefore I'm relicensing it under LGPLv2+.


2021-09-19  Bruno Haible  <bruno@clisp.org>

        Relicense qemu.h under LGPLv2+.
        * tests/qemu.h: Change license header.

diff --git a/tests/qemu.h b/tests/qemu.h
index 403b77928..2d2df017b 100644
--- a/tests/qemu.h
+++ b/tests/qemu.h
@@ -1,17 +1,17 @@
 /* Determine whether the current process is running under QEMU.
    Copyright (C) 2021 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 3 of the License, or
-   (at your option) any later version.
+   This file 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 program is distributed in the hope that it will be useful,
+   This file 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.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2021.  */