[gimp] plug-ins: PSD layer name can be NULL.

[Jacob Boerema <jboerema src gnome org>]

commit 32be0ec70977cb5371a6e4ad5466e5e5f43a49ba
Author: Jacob Boerema <jgboerema gmail com>
Date:   Sun May 16 22:55:44 2021 -0400

    plug-ins: PSD layer name can be NULL.
    
    Apparently in a PSD a layer name can be NULL which
    gimp_item_set_name doesn't like so only use it when
    we have a valid layer name.

 plug-ins/file-psd/psd-load.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/plug-ins/file-psd/psd-load.c b/plug-ins/file-psd/psd-load.c
index d31a325e5b..b803c627e4 100644
--- a/plug-ins/file-psd/psd-load.c
+++ b/plug-ins/file-psd/psd-load.c
@@ -1659,7 +1659,8 @@ add_layers (GimpImage     *image,
                * subsequent layers; the real group name is set by the group
                * start marker.
                */
-              gimp_item_set_name (GIMP_ITEM (layer), lyr_a[lidx]->name);
+              if (lyr_a[lidx]->name)
+                gimp_item_set_name (GIMP_ITEM (layer), lyr_a[lidx]->name);
 
               /* Set the layer properties (skip this for layer group end
                * markers; we set their properties when processing the start