When handling an exception, NtContinue can be called from within the signal
handler, in which case the raise(SIGUSR2) call ends up getting eaten and
integer register context never ends up getting restored. Switch to the
method used on X86 to avoid these issues.

This currently works only because refcount field is at the same offset between structures.

The libraries used are now staticly linked from the libs directory.

Dumping variable address by itself is barely useful.
Signed-off-by: David Kahurani <k.kahurani@gmail.com>

Without this, wineboot would bail out on ARM64 in the case where x86_64 WOW is
not available but i386 is. Leaving an incomplete prefix without any clear error.