games/crossfire-client: fix build on big-endian

/wrkdirs/usr/ports/games/crossfire-client/work/crossfire-client-1.75.0/gtk-v2/src/image.c:167:31: error: use of undeclared identifier 'ny'
        for (i=0; i < width * ny; i+= 4) {
                              ^

games/crossfire-client/files/patch-gtk-v2_src_image.c

+--- gtk-v2/src/image.c.orig	2021-08-18 00:18:54 UTC
++++ gtk-v2/src/image.c
+@@ -164,7 +164,7 @@ static void create_map_image(guint8 *data, PixmapInfo 
+             *p = (g << 8) | (g << 16) | (g << 24) | *(l + 3);
+         }
+ 
+-        for (i=0; i < width * ny; i+= 4) {
++        for (i=0; i < width * height; i+= 4) {
+             guint32 *tmp;
+ 
+             /*