Save and restore a "dive number"

Some people want to know how many dives they have under their belt, so
let's save and restore the dive number if it exists.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/dive.h b/dive.h
index 6191b60b9..3b5e5abd7 100644
--- a/dive.h
+++ b/dive.h
@@ -128,6 +128,7 @@ struct sample {
 #define MAX_CYLINDERS (8)
 
 struct dive {
+	int nr;
 	time_t when;
 	char *location;
 	char *notes;