Fix Javadoc warning: use @code instead of @link for private method

Replace {@link #computeRelated(List)} with {@code computeRelated(List)}
since computeRelated is private and not visible at the protected
visibility level of updateSelection().

Author: vogella

bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/CloseUnrelatedProjectsAction.java

@@ -133,7 +133,7 @@ public CloseUnrelatedProjectsAction(IShellProvider provider){
 
 	/**
 	 * Overrides to avoid calling the expensive
-	 * {@link #computeRelated(List)} during selection changes. Uses only
+	 * {@code computeRelated(List)} during selection changes. Uses only
 	 * the raw selection to determine enablement.
 	 */
 	@Override