Support different salinity in planner

Depth is often mentioned in a length unit, but what we care about is
pressure. When diving in fresh water the pressure is lower than the same
depth in salt water. This adds support for using different salinities in
planning.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/dive.h b/dive.h
index 70c418706..482af6fa7 100644
--- a/dive.h
+++ b/dive.h
@@ -766,6 +766,7 @@ struct diveplan {
 	int surface_pressure; /* mbar */
 	int bottomsac;	/* ml/min */
 	int decosac;	  /* ml/min */
+	int salinity;
 	short gflow;
 	short gfhigh;
 	struct divedatapoint *dp;