Convert between model and view for row selection.

Change-Id: I20a39179dc21d8c183096a6ef557a746545c02fe
Fixes-Issue: CLIENT-369
Reviewed-on: http://gerrit.dmdirc.com/2476
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/dialogs/channellist/ChannelListDialog.java

@@ -27,6 +27,7 @@ import com.dmdirc.addons.ui_swing.dialogs.StandardDialog;
 
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+
 import javax.swing.JLabel;
 
 import net.miginfocom.swing.MigLayout;

src/com/dmdirc/addons/ui_swing/dialogs/channellist/ResultsPanel.java

@@ -97,7 +97,8 @@ public class ResultsPanel extends JPanel implements TableModelListener,
     @Override
     public void mouseClicked(final MouseEvent e) {
         if (e.getClickCount() == 2) {
-            final int index = table.getSelectedRow();
+            final int index = table.getRowSorter().convertRowIndexToModel(
+                    table.getSelectedRow());
             if (index != -1) {
                 manager.joinGroupListEntry(model.getGroupListEntry(index));
             }