signature: Fix license metadata field to match pd.py license header.

diff --git a/decoders/signature/pd.py b/decoders/signature/pd.py
index f5183c03130a4a8a57d50b0f1420c1ed4868c789..65b86a255730d79d22c8f38287401415e38f7802 100644 (file)
--- a/decoders/signature/pd.py
+++ b/decoders/signature/pd.py
@@ -46,7 +46,7 @@ class Decoder(srd.Decoder):
     name = 'Signature'
     longname = 'Signature analysis'
     desc = 'Annotate signature of logic patterns.'
-    license = 'gplv3+'
+    license = 'gplv2+'
     inputs = ['logic']
     outputs = []
     tags = ['Debug/trace', 'Util', 'Encoding']