[gimp] libgimp: fix annotations of gimp_image_list(_selected)_layers.

[Jacob Boerema <jboerema src gnome org>]

commit 43b25781dcec511f36a0bcec1c6863354bf54d0b
Author: Jacob Boerema <jgboerema gmail com>
Date:   Sat Mar 6 12:10:57 2021 -0500

    libgimp: fix annotations of gimp_image_list(_selected)_layers.
    
    Looks like a copy paste error where element-type was
    specified as GimpImage instead of GimpLayer.

 libgimp/gimpimage.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgimp/gimpimage.c b/libgimp/gimpimage.c
index fc8bb9495c..e6c59ffb05 100644
--- a/libgimp/gimpimage.c
+++ b/libgimp/gimpimage.c
@@ -227,7 +227,7 @@ gimp_list_images (void)
  * This procedure returns the list of layers contained in the specified
  * image. The order of layers is from topmost to bottommost.
  *
- * Returns: (element-type GimpImage) (transfer container):
+ * Returns: (element-type GimpLayer) (transfer container):
  *          The list of layers contained in the image.
  *          The returned list must be freed with g_list_free(). Layer
  *          elements belong to libgimp and must not be freed.
@@ -261,7 +261,7 @@ gimp_image_list_layers (GimpImage *image)
  * This procedure returns the list of layers selected in the specified
  * image.
  *
- * Returns: (element-type GimpImage) (transfer container):
+ * Returns: (element-type GimpLayer) (transfer container):
  *          The list of layers contained in the image.
  *          The returned list must be freed with g_list_free(). Layer
  *          elements belong to libgimp and must not be freed.