Uemis downloader: don't try to download divespots that weren't set

This should cut down on redundant calls to download divespot #0.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/uemis.c b/uemis.c
index 7221256b9..4135e0cfe 100644
--- a/uemis.c
+++ b/uemis.c
@@ -162,7 +162,7 @@ int uemis_get_divespot_id_by_diveid(uint32_t diveid)
 			return hp->divespot;
 		hp = hp->next;
 	}
-	return 0;
+	return -1;
 }
 
 void uemis_set_divelocation(int divespot, char *text, double longitude, double latitude)