sdl12-compat: RWops12to20_close: don't check for error before freeing rwops20

SDL Commits
1 
From 91e1d488492a89fc190a41da6fc5300f606205c2 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 1 Mar 2021 14:01:10 +0300
Subject: [PATCH] RWops12to20_close: don't check for error before freeing
 rwops20

SDL-1.2 always returns 0 from RWclose (and so does SDL2.)
---
 src/SDL12_compat.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 7b58a66..79238dc 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -4387,12 +4387,10 @@ static int SDLCALL
 RWops12to20_close(struct SDL_RWops *rwops20)
 {
     int rc = 0;
-    if (rwops20)
-    {
+    if (rwops20) {
         SDL12_RWops *rwops12 = (SDL12_RWops *) rwops20->hidden.unknown.data1;
         rc = rwops12->close(rwops12);
-        if (rc == 0)
-            SDL20_FreeRW(rwops20);
+        SDL20_FreeRW(rwops20);
     }
     return rc;
 }