[libdazzle] util: flip the order of compare func data

[Christian Hergert <chergert src gnome org>]

commit e92b573d7bba8cad6ca267ad3927c7715494edf5
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 4 19:46:00 2017 -0700

    util: flip the order of compare func data
    
    The rest of the code assumes the opposite ordering for these
    parameters, so flip them around.

 src/util/dzl-gtk.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/util/dzl-gtk.c b/src/util/dzl-gtk.c
index 473205d..f0b7920 100644
--- a/src/util/dzl-gtk.c
+++ b/src/util/dzl-gtk.c
@@ -459,8 +459,8 @@ dzl_gtk_widget_mux_action_groups (GtkWidget   *widget,
  * @compare_column must be the index of a column that is a %G_TYPE_POINTER,
  * %G_TYPE_BOXED or %G_TYPE_OBJECT based column.
  *
- * @compare_func will be called with @key as the first parameter, and the
- * value from the column as the second parameter. The final parameter will
+ * @compare_func will be called with the column data as the first
+ * parameter and @key as the second parameter.  The final parameter will
  * be the @compare_data passed to this function.
  *
  * Since: 3.26
@@ -522,7 +522,7 @@ dzl_gtk_list_store_insert_sorted (GtkListStore     *store,
       gtk_tree_model_iter_nth_child (model, &cur, NULL, middle);
       gtk_tree_model_get_value (model, &cur, compare_column, &value);
 
-      cmpval = compare_func (key, get_func (&value), compare_data);
+      cmpval = compare_func (get_func (&value), key, compare_data);
 
       g_value_reset (&value);