Berthold Stoeger 37a521eb5d Filter: ignore unset temperatures
The filter treated unset air and water temperatures as 0 K, leading
to many dives not being shown. Don't filter on unset temperatures.

Reported-by: Jan Mulder <jlmulder@xs4all.nl>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-01-19 13:59:24 -08:00
..
2018-09-29 15:23:25 -07:00