Expander: Annotate new()’s label arg as nullable

to match new_with_mnemonic()

diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index 8fc88d40c15633e9442ba813d53ad7477f50368a..6e9b4305a8b809a130d5e9686b49ab4934b7fc76 100644 (file)
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -957,7 +957,7 @@ gtk_expander_measure (GtkWidget      *widget,
 
 /**
  * gtk_expander_new:
- * @label: the text of the label
+ * @label: (nullable): the text of the label
  *
  * Creates a new expander using @label as the text of the label.
  *