- rpmdav: fix: davStat/davLstat return -1 on error, with EAGAIN/ETIMEDOUT set.
- rpmdav: fix: davStat/davLstat return -1 on error, with EAGAIN/ETIMEDOUT set.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5