[gimp] libgimp: missing new API in def file.

[Jehan <jehanp src gnome org>]

commit 3e58869dbfc95276e761654985ca551037d7a1cc
Author: Jehan <jehan girinstud io>
Date:   Fri Feb 4 18:17:20 2022 +0100

    libgimp: missing new API in def file.
    
    Ahahah. So many years and I still forget this annoying def file! :P

 libgimp/gimp.def | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/libgimp/gimp.def b/libgimp/gimp.def
index eaaad20487..b6e9f3287c 100644
--- a/libgimp/gimp.def
+++ b/libgimp/gimp.def
@@ -55,6 +55,8 @@ EXPORTS
        gimp_check_type
        gimp_clone
        gimp_clone_default
+       gimp_context_are_dynamics_enabled
+       gimp_context_enable_dynamics
        gimp_context_get_antialias
        gimp_context_get_background
        gimp_context_get_brush