sdl12-compat: restore buildability with c++ compilers.

From 2eae59e0a2b5bce5c1334d51f440a59c38a2ee9a Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 4 Feb 2023 20:55:40 +0300
Subject: [PATCH] restore buildability with c++ compilers.

---
 src/SDL12_compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 428d2ed10..4a8bc01a4 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -8219,7 +8219,7 @@ SDL_RWFromFile(const char *file, const char *mode)
 DECLSPEC12 SDL12_RWops * SDLCALL
 SDL_RWFromFP(void *io, int autoclose)
 {
-    return RWops20to12(SDL20_RWFromFP(io, autoclose));
+    return RWops20to12(SDL20_RWFromFP(io, autoclose ? SDL_TRUE : SDL_FALSE));
 }
 
 DECLSPEC12 SDL12_RWops * SDLCALL