MarkSeenDialog: don't attempt to make recordMinZoomSliderLabel it's own label

Author: risicle

src/org/openstreetmap/josm/plugins/markseen/MarkSeenDialog.java

@@ -97,7 +97,7 @@ private synchronized void initialize() {
                 new Dimension(100, (int) this.recordMinZoomSlider.getMinimumSize().getHeight())
             );
             this.recordMinZoomSlider.setToolTipText(recordMinZoomSliderToolTip);
-            this.recordMinZoomSliderLabel.setLabelFor(this.recordMinZoomSliderLabel);
+            this.recordMinZoomSliderLabel.setLabelFor(this.recordMinZoomSlider);
             this.recordMinZoomSliderLabel.setMinimumSize(
                 new Dimension(64, (int) this.recordMinZoomSliderLabel.getMinimumSize().getHeight())
             );