PrlSrv_Register3rdPartyVm command flags set

enum _PRL_REGISTER_3PARTY_VM_FLAGS {
  PR3F_ALLOW_UNKNOWN_OS = 1<<(PACF_MAX+1),
  PR3F_CREATE_SHADOW_VM = 1<<(PACF_MAX+2),
  PR3F_FORCE = 1<<(PACF_MAX+3)
};