westoy: Fix the version number we request for wl_seat

If the compositor supports a lower version, like version 2, we need
to request that instead of version 3.

clients/window.c

@@ -4748,7 +4748,7 @@ fini_xkb(struct input *input)
 	xkb_map_unref(input->xkb.keymap);
 }
 
-#define MAX(a,b) ((a) > (b) ? a : b)
+#define MIN(a,b) ((a) < (b) ? a : b)
 
 static void
 display_add_input(struct display *d, uint32_t id)
@@ -4758,7 +4758,7 @@ display_add_input(struct display *d, uint32_t id)
 	input = xzalloc(sizeof *input);
 	input->display = d;
 	input->seat = wl_registry_bind(d->registry, id, &wl_seat_interface,
-				       MAX(d->seat_version, 3));
+				       MIN(d->seat_version, 3));
 	input->touch_focus = NULL;
 	input->pointer_focus = NULL;
 	input->keyboard_focus = NULL;