update license

Author: StephenButtolph

trie/proof.libevm_test.go

@@ -1,18 +1,18 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
+// Copyright 2025 the libevm authors.
 //
-// The go-ethereum library 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 3 of the License, or
-// (at your option) any later version.
+// The libevm additions to go-ethereum are free software: you can redistribute
+// them and/or modify them under the terms of the GNU Lesser General Public License
+// as published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
 //
-// The go-ethereum library is distributed in the hope that it will be useful,
+// The libevm additions are distributed in the hope that they will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+// General Public License for more details.
 //
 // You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+// along with the go-ethereum library. If not, see
+// <http://www.gnu.org/licenses/>.
 
 package trie