Log Message:
libffi: updated to 3.4.3

3.4.3

All struct args are passed by value, regardless of size, as per ABIs.
Enable static trampolines for Cygwin.
Add support for Loongson's LoongArch64 architecture.
Fix x32 static trampolines.
Fix 32-bit x86 stdcall stack corruption.
Fix ILP32 aarch64 support.