Bug 65031 [Preferences] Local History preference page doesn't use dialog font
RC1 see attached screen shot
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/FileStatesPage.java
return true;
	}
	/**
	 * Validate a text entry for an integer field. Return the result if there are
	 * no errors, otherwise return -1 and set the entry field error. 
	 * @return int
	 */
	private int validateIntegerTextEntry(Text text) {
		int value;
		try {
			value = Integer.parseInt(text.getText());
		} catch (NumberFormatException exception) {
			setErrorMessage(
				MessageFormat.format(
					INVALID_VALUE_MESSAGE,
					new Object[] { exception.getLocalizedMessage()}));
			return FAILED_VALUE;
		}
		
		if (value <= 0) {
			setErrorMessage(POSITIVE_MESSAGE);
			return FAILED_VALUE;
		}
		return value;
	}
	/**
	 * Validate a text entry for a long field. Return the result if there are
	 * no errors, otherwise return -1 and set the entry field error. 
	 * @return long
	 */