1 files changed, 1 insertions, 1 deletions
diff --git a/dive.h b/dive.h
index af1d3942b..54c4fd470 100644
--- a/dive.h
+++ b/dive.h
@@ -530,7 +530,7 @@ extern void report_dives(gboolean imported, gboolean prefer_imported);
 extern struct dive *fixup_dive(struct dive *dive);
 extern struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean prefer_downloaded);
 extern struct dive *try_to_merge(struct dive *a, struct dive *b, gboolean prefer_downloaded);
-
+extern int get_duration_in_sec(struct dive *dive);
 extern void renumber_dives(int nr);
 
 extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);