In sendsig() and sigreturn(), use the SS_xxx flags rather than the SA_xxx flags (purely cosmetic, as they have the same value).
In sendsig() and sigreturn(), use the SS_xxx flags rather than the SA_xxx
flags (purely cosmetic, as they have the same value).

Also some minor indentation/KNF repairs.

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