Cannot be null

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1003696 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

src/java/org/apache/commons/io/input/Tailer.java

@@ -240,7 +240,7 @@ public void run() {
                          * this, the file position needs to be reset
                          */
                         position = 0;
-                        reader.seek(position);
+                        reader.seek(position); // cannot be null here
 
                         // Now we can read new lines
                         last = System.currentTimeMillis();