[gvdb/mcatanzaro/write-contents-async] Apply suggestion to gvdb-builder.c

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 83b8cc65243a7a1950e5673f9db8d1d4ce336996
Author: Michael Catanzaro <mcatanzaro posteo net>
Date:   Fri Jun 21 14:38:09 2019 +0000

    Apply suggestion to gvdb-builder.c

 gvdb-builder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gvdb-builder.c b/gvdb-builder.c
index 40e6c6a..428ebdd 100644
--- a/gvdb-builder.c
+++ b/gvdb-builder.c
@@ -525,7 +525,7 @@ gvdb_table_write_contents (GHashTable   *table,
 }
 
 typedef struct {
-  GString *contents;
+  GString *contents;  /* (owned) */
   GFile *file;
 } WriteContentsData;