Cleaning up variable names in image loading

Use more explicit variabel names and make the get timestamp function actually
return the timestamp rather than getting a pointer argument

Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/dive.h b/dive.h
index b0127f295..c80e84128 100644
--- a/dive.h
+++ b/dive.h
@@ -390,7 +390,7 @@ extern void dive_remove_picture(char *filename);
 extern unsigned int dive_get_picture_count(struct dive *d);
 extern bool picture_check_valid(char *filename, int shift_time);
 extern void picture_load_exif_data(struct picture *p);
-extern void picture_get_timestamp(char *filename, timestamp_t *t);
+extern timestamp_t picture_get_timestamp(char *filename);
 extern void dive_set_geodata_from_picture(struct dive *d, struct picture *pic);
 
 extern int explicit_first_cylinder(struct dive *dive, struct divecomputer *dc);