Fixed: AS3 p-code parser adding ;trait comment to last instruction

libsrc/ffdec_lib/lexers/actionscript_pcode_hilight.flex

@@ -1,4 +1,19 @@
-/* Flash assembler language lexer specification */
+/*
+ *  Copyright (C) 2010-2021 JPEXS, All rights reserved.
+ * 
+ * This 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 3.0 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ */
 
 package com.jpexs.decompiler.flash.exporters.script.graphviz;