Fix test broken by previous PR

The test is:
org.eclipse.jdt.core.tests.formatter.FormatterCommentsTests.testWkspEclipse26

It was broken in the I-BUILDs by
eclipse-jdt#5002.

Contributes to
eclipse-platform/eclipse.platform.swt#3233

Author: fedejeanne

org.eclipse.jdt.core.tests.model/workspace/FormatterJavadoc/test/wksp/eclipse/out/clear_blank_lines/X26.java

@@ -10,7 +10,7 @@
  * Here is an example of using a ControlEditor: <code><pre>
 * Canvas canvas = new Canvas(shell, SWT.BORDER);
 * canvas.setBounds(10, 10, 300, 300);	
-* Color color = new Color(null, 255, 0, 0);
+* Color color = new Color(255, 0, 0);
 * canvas.setBackground(color);
 * ControlEditor editor = new ControlEditor (canvas);
 * // The editor will be a button in the bottom right corner of the canvas.
@@ -25,7 +25,7 @@
 * 		RGB rgb = dialog.getRGB();
 * 		if (rgb != null) {
 * 			if (color != null) color.dispose();
-* 			color = new Color(null, rgb);
+* 			color = new Color(rgb);
 * 			canvas.setBackground(color);
 * 		}
 *