Index: pam_ssh-1.91/pam_ssh.c =================================================================== --- pam_ssh-1.91.orig/pam_ssh.c +++ pam_ssh-1.91/pam_ssh.c @@ -63,6 +63,7 @@ #include <string.h> #include <sysexits.h> #include <unistd.h> +#include <syslog.h> #define PAM_SM_AUTH #define PAM_SM_SESSION