Use SHUT_* values directly in soshutdown() instead of converting to FREAD/FWRITE.  OK deraadt@
Use SHUT_* values directly in soshutdown() instead of converting
to FREAD/FWRITE.  OK deraadt@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars