Bug 7251 compiler preference page: combo boxes should have equal sizes
combo boxes have different sizes - depending on whether the entry is 'error' or 'warning' - they should be equal-sized
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerPreferencePage.java
fCheckBoxes.add(checkBox);
	}
	
	private void addComboBox(Composite parent, String label, String key, String[] values, String[] valueLabels) {
		ControlData data= new ControlData(key, values);
		
		Label labelControl= new Label(parent, SWT.NONE);
		labelControl.setText(label);
		labelControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		GridData gd= new GridData();
		gd.horizontalAlignment= GridData.END;
		
		Combo comboBox= new Combo(parent, SWT.READ_ONLY);
		comboBox.setItems(valueLabels);
		comboBox.setData(data);
		comboBox.setLayoutData(gd);
		comboBox.addSelectionListener(fSelectionListener);
		
		String currValue= (String)fWorkingValues.get(key);	
		comboBox.select(data.getSelection(currValue));
		
		fComboBoxes.add(comboBox);
	}	
	
	private void controlChanged(Widget widget) {
		ControlData data= (ControlData) widget.getData();
		String newValue= null;
		if (widget instanceof Button) {