tests: use GPLv2+, not GPLv3

* tests/cpuset: Change from GPLv3 to GPLv2+
* tests/read-bufsiz: Likewise.
* tests/read-non-seekable: Likewise.
* tests/start: Likewise.
* tests/undefine: Likewise.
* tests/vcpupin: Likewise.
* tests/virsh-all: Likewise.
* tests/virsh-schedinfo: Likewise.
* tests/virsh-synopsis: Likewise.

tests/cpuset

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/read-bufsiz

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/read-non-seekable

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/start

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/undefine

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/vcpupin

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/virsh-all

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/virsh-schedinfo

@@ -5,7 +5,7 @@
 
 # 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
+# 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,

tests/virsh-synopsis

@@ -5,7 +5,7 @@
 
 # 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
+# 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,