license: upgrade to GPLv2+

We have contacted contributors who are:

- Harald Welte
- Jan Engelhardt
- Eric Leblond
- Patrick McHardy

and happily they agree with the upgrade.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/README b/README
index c6cff46..4a5631d 100644
--- a/README
+++ b/README
@@ -38,6 +38,11 @@ Please report all libnfnetlink bugs to https://bugzilla.netfilter.org/, using
 the "libnfnetlink" Product.
 
 
+License
+
+This library is released under GPLv2+.
+
+
 Where do I get support?
 
 The netfilter@lists.netfilter.org and netfilter-devel@lists.netfilter.org