[gegl] buffer: in the swap backend, improve search criterion of gap tree

[Ell <ell src gnome org>]

commit f3bf283b9e3feb8911a8bdcfd82013afc6e18fe3
Author: Ell <ell_se yahoo com>
Date:   Wed Sep 11 12:30:06 2019 +0300

    buffer: in the swap backend, improve search criterion of gap tree

 gegl/buffer/gegl-tile-backend-swap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gegl/buffer/gegl-tile-backend-swap.c b/gegl/buffer/gegl-tile-backend-swap.c
index e452a1ef5..8766e1327 100644
--- a/gegl/buffer/gegl-tile-backend-swap.c
+++ b/gegl/buffer/gegl-tile-backend-swap.c
@@ -424,11 +424,11 @@ static gint
 gegl_tile_backend_swap_gap_search_func (const SwapGap     *gap,
                                         SwapGapSearchData *search_data)
 {
-  if (gap->start <= search_data->offset)
+  if (gap->end <= search_data->offset)
     {
       search_data->gap = (SwapGap *) gap;
 
-      return gap->start < search_data->offset;
+      return gap->end < search_data->offset;
     }
   else
     {