What differs between wāw in «جُوعٍ» and «خَوْفٍ»?

Al-Fīl and Quraysh: Applied Iẓhār, Ikhfāʾ, Idghām, Madd and Waqf

• Madd wāw first, līn wāw second
• Both are madd wāw
• Both are līn wāw
• Both wāws are doubled