fix faillock implementation

dovecot / ssh are exempted

usr/share/pam-configs/faillock2-security-misc

@@ -3,5 +3,6 @@ Default: yes
 Priority: 245
 Auth-Type: Primary
 Auth:
+	[success=2 default=ignore]	pam_exec.so	seteuid quiet /usr/libexec/security-misc/pam_faillock_not_if_x
 	[default=die]  pam_faillock.so authfail
 	sufficient     pam_faillock.so authsucc