filer: recursive deletion optionally ignoring any errors

fix https://github.com/chrislusf/seaweedfs/issues/1062

other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java

@@ -106,7 +106,7 @@ public class SeaweedFileSystemStore {
             }
         }
 
-        return filerClient.deleteEntry(getParentDirectory(path), path.getName(), true, recursive);
+        return filerClient.deleteEntry(getParentDirectory(path), path.getName(), true, recursive, true);
     }
 
     private FileStatus doGetFileStatus(Path path, FilerProto.Entry entry) {