[gimp] app, pdb: fix gimp_item_id_is_vectors().

[Jehan <jehanp src gnome org>]

commit 1c0fb800e5ffcf362d2aed9249b0134fa2847d54
Author: Jehan <jehan girinstud io>
Date:   Mon Sep 2 11:44:36 2019 +0200

    app, pdb: fix gimp_item_id_is_vectors().
    
    It was testing for GimpDrawable!

 app/pdb/item-cmds.c | 2 +-
 pdb/groups/item.pdb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/pdb/item-cmds.c b/app/pdb/item-cmds.c
index f103ba68a0..1557c53e3b 100644
--- a/app/pdb/item-cmds.c
+++ b/app/pdb/item-cmds.c
@@ -291,7 +291,7 @@ item_id_is_vectors_invoker (GimpProcedure         *procedure,
     {
       GimpItem *item = gimp_item_get_by_id (gimp, item_id);
 
-      vectors = (GIMP_IS_DRAWABLE (item) &&
+      vectors = (GIMP_IS_VECTORS (item) &&
                  ! gimp_item_is_removed (item));
     }
 
diff --git a/pdb/groups/item.pdb b/pdb/groups/item.pdb
index f715b03da7..f52abb0ba3 100644
--- a/pdb/groups/item.pdb
+++ b/pdb/groups/item.pdb
@@ -265,7 +265,7 @@ HELP
 {
   GimpItem *item = gimp_item_get_by_id (gimp, item_id);
 
-  vectors = (GIMP_IS_DRAWABLE (item) &&
+  vectors = (GIMP_IS_VECTORS (item) &&
              ! gimp_item_is_removed (item));
 }
 CODE