[gimp] Fix warning in jigsaw.c -Warray-parameter

[Jehan <jehanp src gnome org>]

commit f0c8adc505cf04c91ff35e1ec3c4f3ea3625f068
Author: Axel Viala <axel viala darnuria eu>
Date:   Tue Mar 29 15:59:56 2022 +0200

    Fix warning in jigsaw.c -Warray-parameter
    
    warning: argument 6 of type ‘gint[2]’ {aka ‘int[2]’} with mismatched bound [-Warray-parameter=]
     1629 |                          gint      py[2],
          |                          ~~~~~~~~~~^~~~~

 plug-ins/common/jigsaw.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/common/jigsaw.c b/plug-ins/common/jigsaw.c
index 7aa1383ecc..0ac444af46 100644
--- a/plug-ins/common/jigsaw.c
+++ b/plug-ins/common/jigsaw.c
@@ -249,16 +249,16 @@ static void draw_horizontal_line   (guchar *buffer, gint bufsize,
                                     gint px[2], gint py[2]);
 static void darken_vertical_line   (guchar *buffer, gint bufsize,
                                     gint width, gint bytes,
-                                    gint *px, gint *py, gdouble delta);
+                                    gint px[2], gint py[2], gdouble delta);
 static void lighten_vertical_line  (guchar *buffer, gint bufsize,
                                     gint width, gint bytes,
-                                    gint *px, gint *py, gdouble delta);
+                                    gint px[2], gint py[2], gdouble delta);
 static void darken_horizontal_line (guchar *buffer, gint bufsize,
                                     gint width, gint bytes,
-                                    gint *px, gint *py, gdouble delta);
+                                    gint px[2], gint py[2], gdouble delta);
 static void lighten_horizontal_line(guchar *buffer, gint bufsize,
                                     gint width, gint bytes,
-                                    gint *px, gint *py, gdouble delta);
+                                    gint px[2], gint py[2], gdouble delta);
 static void draw_right_bump        (guchar *buffer, gint bufsize,
                                     gint width, gint bytes,
                                     gint x_offset, gint curve_start_offset,