Don't provide server_id when we have none

Author: bjori

php_phongo.c

@@ -726,7 +726,9 @@ int phongo_execute_query(mongoc_client_t *client, const char *namespace, const p
 		return false;
 	}
 
-	cursor->hint = server_id;
+	if (server_id > 0) {
+		cursor->hint = server_id;
+	}
 	if (!mongoc_cursor_next(cursor, &doc)) {
 		bson_error_t error;
 
@@ -757,7 +759,9 @@ int phongo_execute_command(mongoc_client_t *client, const char *db, const bson_t
 
 
 	cursor = mongoc_client_command(client, db, MONGOC_QUERY_NONE, 0, 1, 0, command, NULL, read_preference);
-	cursor->hint = server_id;
+	if (server_id > 0) {
+		cursor->hint = server_id;
+	}
 
 	if (!mongoc_cursor_next(cursor, &doc)) {
 		bson_error_t error;