[gtk/issue-2915: 1/2] Fix "not nullable" annotation

[Emmanuele Bassi <ebassi src gnome org>]

commit fdeda388bf9b1ac284de2bb9e10b2408d9595f9b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Jul 7 12:03:44 2020 +0100

    Fix "not nullable" annotation

 gtk/gtkstringlist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkstringlist.c b/gtk/gtkstringlist.c
index 2555e1f8f3..a88c719e1d 100644
--- a/gtk/gtkstringlist.c
+++ b/gtk/gtkstringlist.c
@@ -158,7 +158,7 @@ gtk_string_object_new_take (char *string)
 
 /**
  * gtk_string_object_new:
- * @string: (non-nullable): The string to wrap
+ * @string: (not nullable): The string to wrap
  *
  * Wraps a string in an object for use with #GListModel
  *