[gvdb: 1/2] Add (out) to an (optional) parameter

[Philip Withnall <pwithnall src gnome org>]

commit 4131f0d14a1ef60e997170ef4719f22fdbe72890
Author: Дилян Палаузов <git-dpa aegee org>
Date:   Tue Jul 23 09:02:31 2019 +0000

    Add (out) to an (optional) parameter
    
    … as it is not (inout).
    
    Closes !9

 gvdb-reader.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gvdb-reader.c b/gvdb-reader.c
index 2dbb5b4..6bc4c6f 100644
--- a/gvdb-reader.c
+++ b/gvdb-reader.c
@@ -332,7 +332,7 @@ gvdb_table_list_from_item (GvdbTable                    *table,
 /**
  * gvdb_table_get_names:
  * @table: a #GvdbTable
- * @length: (optional): the number of items returned, or %NULL
+ * @length: (out) (optional): the number of items returned, or %NULL
  *
  * Gets a list of all names contained in @table.
  *