SDL: Revert "Zenity has deprecated --icon-name in favor of --icon"

SDL Commits
1 
From 5b9fdc9dd12564b54612ef7bd45d4b119cb18f03 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 29 Jun 2023 23:01:36 -0700
Subject: [PATCH] Revert "Zenity has deprecated --icon-name in favor of --icon"

This reverts commit 55c3c1b05c387d87b64b981ca9883fa36d7ee951.

It turns out many Linux distributions are shipping zenity which doesn't support the new --icon option. We'll need a more robust fix for this.
---
 src/video/wayland/SDL_waylandmessagebox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/wayland/SDL_waylandmessagebox.c b/src/video/wayland/SDL_waylandmessagebox.c
index f02cf1695680..9a4d39447b22 100644
--- a/src/video/wayland/SDL_waylandmessagebox.c
+++ b/src/video/wayland/SDL_waylandmessagebox.c
@@ -60,7 +60,7 @@ int Wayland_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *button
             _exit(128);
         }
 
-        argv[argc++] = "--icon";
+        argv[argc++] = "--icon-name";
         switch (messageboxdata->flags) {
         case SDL_MESSAGEBOX_ERROR:
             argv[argc++] = "dialog-error";