[gimp] app: add gimp_data_is_{copyable, duplicatable}() to gimp_data.h

[N/A <ell src gnome org>]

commit bc9f179edf57a6f47a49d6f1df99c1c6d82f4e42
Author: Ell <ell_se yahoo com>
Date:   Sat Nov 4 22:11:32 2017 -0400

    app: add gimp_data_is_{copyable,duplicatable}() to gimp_data.h
    
    Forgot to add it to last commit :P

 app/core/gimpdata.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/app/core/gimpdata.h b/app/core/gimpdata.h
index dacfd55..1219953 100644
--- a/app/core/gimpdata.h
+++ b/app/core/gimpdata.h
@@ -108,8 +108,11 @@ void          gimp_data_set_mtime        (GimpData     *data,
                                           gint64        mtime);
 gint64        gimp_data_get_mtime        (GimpData     *data);
 
+gboolean      gimp_data_is_copyable      (GimpData     *data);
 void          gimp_data_copy             (GimpData     *data,
                                           GimpData     *src_data);
+
+gboolean      gimp_data_is_duplicatable  (GimpData     *data);
 GimpData    * gimp_data_duplicate        (GimpData     *data);
 
 void          gimp_data_make_internal    (GimpData     *data,