[gegl] gegl: fix loading of relative paths in serialized data

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 68846c9427742e4877ab78b7fcf7290d67d4f028
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Jan 12 01:14:58 2019 +0100

    gegl: fix loading of relative paths in serialized data

 gegl/gegl-serialize.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gegl/gegl-serialize.c b/gegl/gegl-serialize.c
index c560c9c7f..fe553e1a1 100644
--- a/gegl/gegl-serialize.c
+++ b/gegl/gegl-serialize.c
@@ -551,7 +551,8 @@ gegl_create_chain_argv (char      **ops,
                                 gegl_node_set (iter[level], key, absolute_path, NULL);
                                 free (absolute_path);
                               }
-                            gegl_node_set (iter[level], key, value, NULL);
+                            else
+                              gegl_node_set (iter[level], key, value, NULL);
                           }
                       }
                     else if (g_type_is_a (target_type, G_TYPE_STRING))