[gimp] app: sigh, another gimp-scratch link fix, in config/

[Ell <ell src gnome org>]

commit 67d595f651e256e01f9acf4c2bde3b47cb8197c0
Author: Ell <ell_se yahoo com>
Date:   Sat Dec 1 08:24:37 2018 -0500

    app: sigh, another gimp-scratch link fix, in config/
    
    That's the last one :)

 app/config/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/app/config/Makefile.am b/app/config/Makefile.am
index 96a6913fb9..4408a158c7 100644
--- a/app/config/Makefile.am
+++ b/app/config/Makefile.am
@@ -95,7 +95,8 @@ test_config_LDFLAGS = \
        -Wl,-u,$(SYMPREFIX)gimp_pdb_compat_param_spec           \
        -Wl,-u,$(SYMPREFIX)gimp_layer_mode_is_legacy            \
        -Wl,-u,$(SYMPREFIX)gimp_async_set_new                   \
-       -Wl,-u,$(SYMPREFIX)gimp_uncancelable_waitable_new
+       -Wl,-u,$(SYMPREFIX)gimp_uncancelable_waitable_new       \
+       -Wl,-u,$(SYMPREFIX)gimp_scratch_block_new
 
 test_config_LDADD = \
        ../xcf/libappxcf.a                                              \