SwingConsolePane: keep a JScrollPane reference

This will be useful shortly, to manipulate the scroll pane as needed.

Author: ctrueden

src/main/java/org/scijava/ui/swing/console/SwingConsolePane.java

@@ -67,6 +67,8 @@ public class SwingConsolePane extends AbstractConsolePane<JPanel> {
 
 	private JPanel consolePanel;
 	private JTextPane textPane;
+	private JScrollPane scrollPane;
+
 	private StyledDocument doc;
 	private Style stdoutLocal;
 	private Style stderrLocal;
@@ -156,7 +158,7 @@ private synchronized void initConsolePanel() {
 		textPanel.setLayout(new BorderLayout());
 		textPanel.add(textPane);
 
-		final JScrollPane scrollPane = new JScrollPane(textPanel);
+		scrollPane = new JScrollPane(textPanel);
 		scrollPane.setPreferredSize(new Dimension(600, 600));
 		panel.add(scrollPane);