[gtk/gtk-4-2-merge] Update gtkicontheme.c

[Benjamin Otte <otte src gnome org>]

commit b8f87123f6bf33b79ad737aad631386aa378259b
Author: Benjamin Otte <otte benjamin googlemail com>
Date:   Wed Jun 30 19:21:46 2021 +0000

    Update gtkicontheme.c

 gtk/gtkicontheme.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 6bbbcf75ef..2002753a4c 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -1536,7 +1536,8 @@ gtk_icon_theme_add_search_path (GtkIconTheme *self,
 /**
  * gtk_icon_theme_set_resource_path:
  * @self: a `GtkIconTheme`
- * @path: NULL-terminated array of resource paths
+ * @path: (array zero-terminated=1) (element-type utf8) (nullable): 
+ *   NULL-terminated array of resource paths
  *     that are searched for icons
  *
  * Sets the resource paths that will be looked at when