lib-signals: Compile fix for Hurd (SA_SIGINFO not available). Based on patch by Marco Nenciarini.
lib-signals: Compile fix for Hurd (SA_SIGINFO not available).
Based on patch by Marco Nenciarini.

damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot