SDL: remove 'free' in comment

From c0029f01d7f8695aea3f82dbb4d7fddfaba2aec2 Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Mon, 22 Nov 2021 17:00:48 +0100
Subject: [PATCH] remove 'free' in comment

---
 Xcode-iOS/Demos/src/mixer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Xcode-iOS/Demos/src/mixer.c b/Xcode-iOS/Demos/src/mixer.c
index 14945ad3346..18e33f134c8 100644
--- a/Xcode-iOS/Demos/src/mixer.c
+++ b/Xcode-iOS/Demos/src/mixer.c
@@ -111,7 +111,7 @@ loadSound(const char *file, struct sound *s)
         if (SDL_ConvertAudio(&cvt) == -1) {     /* convert the sound */
             fatalError("could not convert .wav");
         }
-        SDL_free(s->buffer);    /* free the original (unconverted) buffer */
+        SDL_free(s->buffer);    /* Free the original (unconverted) buffer */
         s->buffer = cvt.buf;    /* point sound buffer to converted buffer */
         s->length = cvt.len_cvt;        /* set sound buffer's new length */
     }