[gegl] bin: fix path lookup for thumbnailer

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

commit 4cd362fb7104d2fc510b0e70d8dd3b8fd3553fc8
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Jan 16 16:52:54 2019 +0100

    bin: fix path lookup for thumbnailer

 bin/ui.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/bin/ui.c b/bin/ui.c
index 9b8ce9bd1..af02ccb35 100644
--- a/bin/ui.c
+++ b/bin/ui.c
@@ -504,7 +504,7 @@ static void generate_thumb (ThumbQueueItem *item)
   GError *error = NULL;
   char  *savepath=g_strdup_printf ("path=%s", item->tempthumbpath);
   char  *path2=g_strdup (item->path);
-  char *argv[]={"/usr/local/bin/gegl",
+  char *argv[]={"gegl",
      path2, "--",
      "convert-space", "name=sRGB",
      "convert-format", "format=R'G'B' float",
@@ -525,7 +525,7 @@ static void generate_thumb (ThumbQueueItem *item)
     goto cleanup;
   }
 
-  g_spawn_async (NULL, &argv[0], NULL, G_SPAWN_SEARCH_PATH_FROM_ENVP,  NULL, NULL, &child_pid, &error);
+  g_spawn_async (NULL, &argv[0], NULL, G_SPAWN_SEARCH_PATH|G_SPAWN_SEARCH_PATH_FROM_ENVP,  NULL, NULL, 
&child_pid, &error);
   //fprintf (stderr, "spawned %i %s %s %s\n", (int) child_pid, item->path, item->thumbpath, 
item->tempthumbpath);
   if (error)
     fprintf (stderr, "%s\n", error->message);
@@ -1206,6 +1206,7 @@ cmd_todo (COMMAND_ARGS)
   printf ("polyline/bezier on screen editing\n");
   printf ("star/comment storage\n");
   printf ("dir actions: rename, discard\n");
+  return 0;
 }