Take water vapor pressure into account again for deco

In the transition to the partial pressure helper function,
the water vapor component of the breathing gas had been dropped.
This had a significant effect on deco times for deep dives.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/deco.c b/deco.c
index 8dcfb7e8b..49363f612 100644
--- a/deco.c
+++ b/deco.c
@@ -190,7 +190,7 @@ double add_segment(double pressure, const struct gasmix *gasmix, int period_in_s
 	int fo2 = get_o2(gasmix), fhe = get_he(gasmix);
 	struct gas_pressures pressures;
 
-	fill_pressures(&pressures, pressure, gasmix, (double) ccpo2 / 1000.0);
+	fill_pressures(&pressures, pressure - WV_PRESSURE, gasmix, (double) ccpo2 / 1000.0);
 
 	if (buehlmann_config.gf_low_at_maxdepth && pressure > gf_low_pressure_this_dive)
 		gf_low_pressure_this_dive = pressure;