Bug 45110 No constant for '..compiler.problem.missingAnnotation'
20031015 The constant for "org.eclipse.jdt.core.compiler.problem.missingAnnotation" is missing. e.g. JavaCore.COMPILER_PB_MISSING_ANNOTATION;
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
addComboBox(composite, label, PREF_PB_CHAR_ARRAY_IN_CONCAT, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_unqualified_field_access.label"); 
		addComboBox(composite, label, PREF_PB_UNQUALIFIED_FIELD_ACCESS, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		
		gd= new GridData();
		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(6);
		
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_max_per_unit.label"); 
		Text text= addTextField(composite, label, PREF_PB_MAX_PER_UNIT, 0, 0);
		text.setTextLimit(6);
		text.setLayoutData(gd);
		return composite;
	}
	private Composite createUnusedCodeTabContent(TabFolder folder) {
		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
		
		String[] errorWarningIgnoreLabels= new String[] {
			PreferencesMessages.getString("CompilerConfigurationBlock.error"),  
			PreferencesMessages.getString("CompilerConfigurationBlock.warning"), 
			PreferencesMessages.getString("CompilerConfigurationBlock.ignore") 
		};
		
		String[] enabledDisabled= new String[] { ENABLED, DISABLED };
		
		int nColumns= 3;
		
		GridLayout layout= new GridLayout();
		layout.numColumns= nColumns;
					
		Composite composite= new Composite(folder, SWT.NULL);