[gtk/bilelmoussaoui/gtk-snapshot] gtk: fix Snapshot.push_shadow annotation

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 257adb4464d2811f6cf144becc5cfa4c7a4ae214
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Oct 12 09:00:03 2021 +0000

    gtk: fix Snapshot.push_shadow annotation

 gtk/gtksnapshot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtksnapshot.c b/gtk/gtksnapshot.c
index 5ebb37f14f..8b8627fb92 100644
--- a/gtk/gtksnapshot.c
+++ b/gtk/gtksnapshot.c
@@ -1125,7 +1125,7 @@ gtk_snapshot_clear_shadow (GtkSnapshotState *state)
 /**
  * gtk_snapshot_push_shadow:
  * @snapshot: a `GtkSnapshot`
- * @shadow: the first shadow specification
+ * @shadow: (array length=n_shadows): the first shadow specification
  * @n_shadows: number of shadow specifications
  *
  * Applies a shadow to an image.