Initialize / reset selected_dive to -1

The value of 0 that we used is actually a valid value and could cause
confusion.

Suggested-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/profile.c b/profile.c
index 18960fcff..e40ee5bad 100644
--- a/profile.c
+++ b/profile.c
@@ -12,7 +12,7 @@
 #include "libdivecomputer/parser.h"
 #include "libdivecomputer/version.h"
 
-int selected_dive = 0;
+int selected_dive = -1; /* careful: 0 is a valid value */
 char zoomed_plot = 0;
 char dc_number = 0;