Rollback previous commit.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269450 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Zip.java

@@ -140,7 +140,7 @@ public class Zip extends MatchingTask {
     /**
      * Adds a set of files (nested fileset attribute).
      */
-    public void addFileset(ZipFileSet set) {
+    public void addFileset(FileSet set) {
         filesets.addElement(set);
     }