[gnumeric] Search: another raw qsort that should have been g_ptr_array_sort

[Morten Welinder <mortenw src gnome org>]

commit 8a93e616448019e91f7b0bb32e0cf4364f233810
Author: Morten Welinder <terra gnome org>
Date:   Thu Nov 30 08:51:54 2017 -0500

    Search: another raw qsort that should have been g_ptr_array_sort

 src/search.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/search.c b/src/search.c
index 622f8c9..1af1ea5 100644
--- a/src/search.c
+++ b/src/search.c
@@ -240,10 +240,8 @@ gnm_search_collect_cells (GnmSearchReplace *sr)
        }
 
        /* Sort our cells.  */
-       qsort (&g_ptr_array_index (cells, 0),
-              cells->len,
-              sizeof (gpointer),
-              sr->by_row ? cb_order_sheet_row_col : cb_order_sheet_col_row);
+       g_ptr_array_sort (cells,
+                         sr->by_row ? cb_order_sheet_row_col : cb_order_sheet_col_row);
 
        return cells;
 }