Please add the 'TaskDialogIcon' enum missing values.

[Jie2GG]

TaskDialogIcon now has Custom, Warning, Error, Information, Shield values.
The following values are missing.

SecurityShieldBlueBar = 0xFFFB,
SecurityWarningYellowBar = 0xFFFA,
SecurityErrorRedBar = 0xFFF9,
SecuritySuccessGreenBar = 0xFFF8,
SecurityShieldGrayBar = 0xFFF7,