[gegl] dropshadow: fix median-blur abyss policy

[Ell <ell src gnome org>]

commit 7e0feb099439097ac8374c135b988cb1fecfbb2b
Author: Ell <ell_se yahoo com>
Date:   Fri Mar 20 01:39:57 2020 +0200

    dropshadow: fix median-blur abyss policy
    
    In gegl:dropshadow, set the abyss policy of the gegl:median-blur
    node to NONE, so that it may expand the input.

 operations/common/dropshadow.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/operations/common/dropshadow.c b/operations/common/dropshadow.c
index f020e926e..d27a13e1c 100644
--- a/operations/common/dropshadow.c
+++ b/operations/common/dropshadow.c
@@ -102,6 +102,7 @@ attach (GeglOperation *operation)
   grow      = gegl_node_new_child (gegl, "operation", "gegl:median-blur",
                                          "percentile",       100.0,
                                          "alpha-percentile", 100.0,
+                                         "abyss-policy",     GEGL_ABYSS_NONE,
                                          NULL);
   darken    = gegl_node_new_child (gegl, "operation", "gegl:src-in", NULL);
   color     = gegl_node_new_child (gegl, "operation", "gegl:color",