[gimp] app, pdb: fixing gimp_vectors_export*() libgimp API.

[Jehan <jehanp src gnome org>]

commit a77c64fafe6ab25d639f252f5166ac0d19a3cdab
Author: Jehan <jehan girinstud io>
Date:   Thu Oct 20 18:57:52 2022 +0200

    app, pdb: fixing gimp_vectors_export*() libgimp API.
    
    It seems I forgot to fix some usage of core gimp_vectors_export*(),
    which now take a list of paths (not a single path anymore since commit
    9fc8260c7c), as these were used by PDB functions.

 app/pdb/vectors-cmds.c | 11 +++++++++--
 pdb/groups/vectors.pdb | 11 +++++++++--
 2 files changed, 18 insertions(+), 4 deletions(-)
---
diff --git a/app/pdb/vectors-cmds.c b/app/pdb/vectors-cmds.c
index c4950c2cfc..68a3ebc753 100644
--- a/app/pdb/vectors-cmds.c
+++ b/app/pdb/vectors-cmds.c
@@ -1293,7 +1293,11 @@ vectors_export_to_file_invoker (GimpProcedure         *procedure,
 
   if (success)
     {
-      success = gimp_vectors_export_file (image, vectors, file, error);
+      GList *vectors_list = g_list_prepend (NULL, vectors);
+
+      success = gimp_vectors_export_file (image, vectors_list, file, error);
+
+      g_list_free (vectors_list);
     }
 
   return gimp_procedure_get_return_values (procedure, success,
@@ -1319,7 +1323,10 @@ vectors_export_to_string_invoker (GimpProcedure         *procedure,
 
   if (success)
     {
-      string = gimp_vectors_export_string (image, vectors);
+      GList *vectors_list = g_list_prepend (NULL, vectors);
+
+      string = gimp_vectors_export_string (image, vectors_list);
+      g_list_free (vectors_list);
 
       success = (string != NULL);
     }
diff --git a/pdb/groups/vectors.pdb b/pdb/groups/vectors.pdb
index 759cd26597..709844c801 100644
--- a/pdb/groups/vectors.pdb
+++ b/pdb/groups/vectors.pdb
@@ -1274,7 +1274,11 @@ HELP
         headers => [ qw("vectors/gimpvectors-export.h") ],
         code    => <<'CODE'
 {
-  success = gimp_vectors_export_file (image, vectors, file, error);
+  GList *vectors_list = g_list_prepend (NULL, vectors);
+
+  success = gimp_vectors_export_file (image, vectors_list, file, error);
+
+  g_list_free (vectors_list);
 }
 CODE
     );
@@ -1308,7 +1312,10 @@ HELP
         headers => [ qw("vectors/gimpvectors-export.h") ],
         code    => <<'CODE'
 {
-  string = gimp_vectors_export_string (image, vectors);
+  GList *vectors_list = g_list_prepend (NULL, vectors);
+
+  string = gimp_vectors_export_string (image, vectors_list);
+  g_list_free (vectors_list);
 
   success = (string != NULL);
 }