[gimp] libgimp: fix def files.

[Jehan <jehanp src gnome org>]

commit a241538da7d8bba77ff799fb3a5801edc3d71458
Author: Jehan <jehan girinstud io>
Date:   Fri May 13 12:09:17 2022 +0200

    libgimp: fix def files.
    
    Fixing the CI for MR !274.

 libgimp/gimp.def         | 2 ++
 libgimpbase/gimpbase.def | 1 +
 2 files changed, 3 insertions(+)
---
diff --git a/libgimp/gimp.def b/libgimp/gimp.def
index 7280ebc28a..bab2fe2e4b 100644
--- a/libgimp/gimp.def
+++ b/libgimp/gimp.def
@@ -55,6 +55,8 @@ EXPORTS
        gimp_channel_set_color
        gimp_channel_set_opacity
        gimp_channel_set_show_masked
+       gimp_check_custom_color1
+       gimp_check_custom_color2
        gimp_check_size
        gimp_check_type
        gimp_clone
diff --git a/libgimpbase/gimpbase.def b/libgimpbase/gimpbase.def
index 5a96971d3a..b0a4cf11b5 100644
--- a/libgimpbase/gimpbase.def
+++ b/libgimpbase/gimpbase.def
@@ -15,6 +15,7 @@ EXPORTS
        gimp_channel_type_get_type
        gimp_check_size_get_type
        gimp_check_type_get_type
+       gimp_checks_get_colors
        gimp_checks_get_shades
        gimp_clone_type_get_type
        gimp_color_tag_get_type