[gimp] libgimp: link libgimpui against GEGL

[Ell <ell src gnome org>]

commit 25aefa972e7b3b284a243cea42bcc7b54a32aa62
Author: Ell <ell_se yahoo com>
Date:   Sun Sep 13 10:24:09 2020 +0300

    libgimp: link libgimpui against GEGL
    
    Needed since commit 4c8ee413eb06ca5584c7fae0a250f9560b69e7ad.

 libgimp/Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/libgimp/Makefile.am b/libgimp/Makefile.am
index 744d3ae4a9..79be437acc 100644
--- a/libgimp/Makefile.am
+++ b/libgimp/Makefile.am
@@ -191,6 +191,7 @@ libgimpui_@GIMP_API_VERSION@_la_LIBADD = \
        $(libgimpcolor)         \
        $(libgimpbase)          \
        $(libgimpmodule)        \
+       $(GEGL_LIBS)            \
        $(GTK_LIBS)             \
        $(GEXIV2_LIBS)          \
        $(RT_LIBS)