SDL: Fix bug with SDL_ShowMessageBox not working with wayland (#10810)

SDL Commits
1 
From 446ee3e7c54614425b8ccb904fe43da8a6d8470c Mon Sep 17 00:00:00 2001
From: poleonek <[EMAIL REDACTED]>
Date: Fri, 13 Sep 2024 00:12:17 +0200
Subject: [PATCH] Fix bug with SDL_ShowMessageBox not working with wayland
 (#10810)

---
 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 7507f3a884358..bcc6c426acfe4 100644
--- a/src/video/wayland/SDL_waylandmessagebox.c
+++ b/src/video/wayland/SDL_waylandmessagebox.c
@@ -83,7 +83,7 @@ static bool get_zenity_version(int *major, int *minor)
         return SDL_SetError("pipe() failed: %s", strerror(errno));
     }
 
-    if (run_zenity(argv, fd_pipe) == 0) {
+    if (run_zenity(argv, fd_pipe)) {
         FILE *outputfp = NULL;
         char version_str[ZENITY_VERSION_LEN];
         char *version_ptr = NULL, *end_ptr = NULL;