[gthumb] adjust contrast: create the previews following the buttons order

[Paolo Bacchilega <paobac src gnome org>]

commit e4c665d7bc480f6c5259b4bca753b415ac8ec21a
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Dec 22 16:17:14 2014 +0100

    adjust contrast: create the previews following the buttons order

 .../file_tools/gth-file-tool-adjust-contrast.c     |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/extensions/file_tools/gth-file-tool-adjust-contrast.c 
b/extensions/file_tools/gth-file-tool-adjust-contrast.c
index 1c6c034..c1be9cb 100644
--- a/extensions/file_tools/gth-file-tool-adjust-contrast.c
+++ b/extensions/file_tools/gth-file-tool-adjust-contrast.c
@@ -548,12 +548,12 @@ gth_file_tool_adjust_contrast_get_options (GthFileTool *base)
 
        gth_filter_grid_generate_previews (GTH_FILTER_GRID (filter_grid),
                                           source,
-                                          METHOD_EQUALIZE_SQUARE_ROOT,
-                                          get_image_task_for_method (METHOD_EQUALIZE_SQUARE_ROOT),
                                           METHOD_STRETCH,
                                           get_image_task_for_method (METHOD_STRETCH),
                                           METHOD_STRETCH_MAX,
                                           get_image_task_for_method (METHOD_STRETCH_MAX),
+                                          METHOD_EQUALIZE_SQUARE_ROOT,
+                                          get_image_task_for_method (METHOD_EQUALIZE_SQUARE_ROOT),
                                           METHOD_EQUALIZE_LINEAR,
                                           get_image_task_for_method (METHOD_EQUALIZE_LINEAR),
                                           -1);