Merge branch 'ent-5700-traza-ejecucion-pandora-db-tgraph-source' into 'develop'

Added log on deleting tgraph_source data in pandora_db

See merge request artica/pandorafms!3721

pandora_server/util/pandora_db.pl

@@ -404,8 +404,10 @@ sub pandora_purgedb ($$) {
 	}
 
 	# Delete old tgraph_source data
+	log_message ('PURGE', 'Deleting old tgraph_source data.');
 	db_do ($dbh,"DELETE FROM tgraph_source WHERE id_graph NOT IN (SELECT id_graph FROM tgraph)");
 
+
 	# Delete network traffic old data.
 	log_message ('PURGE', 'Deleting old network matrix data.');
 	if ($conf->{'_delete_old_network_matrix'} > 0) {