Show the gas with the pressure diagram

This is a feature that had been requested a few times in the past and when
debugging my "show only used gases" commit I realized that this would have
been extremely useful to have...

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/profile.h b/profile.h
index 7af95d565..3f04f40e8 100644
--- a/profile.h
+++ b/profile.h
@@ -15,6 +15,7 @@ struct plot_info;
 struct plot_data {
 	unsigned int in_deco:1;
 	int cylinderindex;
+	int o2, he;
 	int sec;
 	/* pressure[0] is sensor pressure
 	 * pressure[1] is interpolated pressure */