Interop/Runtime: fix building on Linux
Interop/Runtime: fix building on Linux

use correct libffi*.a variant

JetBrains/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,jiaminglu/kotlin-native,jiaminglu/kotlin-native,wiltonlazary/kotlin-native,JuliusKunze/kotlin-native,wiltonlazary/kotlin-native,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,jiaminglu/kotlin-native,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,JuliusKunze/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,JuliusKunze/kotlin-native,wiltonlazary/kotlin-native,JetBrains/kotlin-native,JetBrains/kotlin-native,jiaminglu/kotlin-native,wiltonlazary/kotlin-native,JuliusKunze/kotlin-native,JuliusKunze/kotlin-native,JetBrains/kotlin-native,JuliusKunze/kotlin-native,jiaminglu/kotlin-native,JetBrains/kotlin-native,jiaminglu/kotlin-native