vbscript: Skip the first (null) instruction in dump_code.
[wine] / dlls / vbscript / vbscript.spec
1 @ stdcall -private DllCanUnloadNow()
2 @ stdcall -private DllGetClassObject(ptr ptr ptr)
3 @ stdcall -private DllRegisterServer()
4 @ stdcall -private DllUnregisterServer()