Dirk Hohndel 925bb019c7 Fix potential crash
Commits 0de3bc845237 ("Display CCR setpoint values on the po2 graph") and
65eed80e3730 ("Don't always show the setpoint graph") didn't take into
account that current_dive could be NULL and therefore accessing current_dc
could crash.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-01-06 20:35:57 -08:00
..
2014-11-14 13:45:54 -08:00
2015-01-01 16:28:37 -08:00
2014-10-18 15:16:15 -07:00
2015-01-06 20:35:57 -08:00
2014-06-01 15:42:32 -07:00