scd: Fix status info encoding.
* scd/command.c (send_status_info): Do percent plus encoding correctly.
Backport of master commit: 4ee4d0b02172cf56d9582bb99e32a65c75315b25
- Reported-by: David Härdeman <david@hardeman.nu>
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>