swf.tags and sprite.subtags are private to avoid modifying the list without setting the isModified flag + some small chages

libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/ActionScript2Test.java

@@ -66,7 +66,7 @@ public class ActionScript2Test extends ActionScript2TestBase {
         int f = 0;
         DoActionTag lastDoa = null;
 
-        for (Tag t : swf.tags) {
+        for (Tag t : swf.getTags()) {
             if (t instanceof DoActionTag) {
                 lastDoa = (DoActionTag) t;
             }