SDL: Disable pango markup in wayland massage box

SDL Commits
1 
From 1fd95c53b66f934b717a45fc30c755e8f56ef472 Mon Sep 17 00:00:00 2001
From: meyraud705 <[EMAIL REDACTED]>
Date: Tue, 20 Apr 2021 18:15:09 +0200
Subject: [PATCH] Disable pango markup in wayland massage box

Zenity support pango markup, add --no-markup to disable it.
---
 src/video/wayland/SDL_waylandmessagebox.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/video/wayland/SDL_waylandmessagebox.c b/src/video/wayland/SDL_waylandmessagebox.c
index a0d488ed5..f42414531 100644
--- a/src/video/wayland/SDL_waylandmessagebox.c
+++ b/src/video/wayland/SDL_waylandmessagebox.c
@@ -48,9 +48,9 @@ Wayland_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
 
     pid1 = fork();
     if (pid1 == 0) {  /* child process */
-        int argc = 4, i;
-        const char* argv[4 + 2/* icon name */ + 2/* title */ + 2/* message */ + 2*MAX_BUTTONS + 1/* NULL */] = {
-            "zenity", "--question", "--switch", "--no-wrap",
+        int argc = 5, i;
+        const char* argv[5 + 2/* icon name */ + 2/* title */ + 2/* message */ + 2*MAX_BUTTONS + 1/* NULL */] = {
+            "zenity", "--question", "--switch", "--no-wrap", "--no-markup"
         };
 
         close(fd_pipe[0]); /* no reading from pipe */