SDL_mixer: music_timidity.c: define a TIMIDITY_CFG_ETC default path for OS/2.

From fb53719cb765330f8bcf230428d65728463dcea1 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 14 Jun 2021 14:56:56 +0300
Subject: [PATCH] music_timidity.c: define a TIMIDITY_CFG_ETC default path for
 OS/2.
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thanks Jochen Schäfer.
---
 src/codecs/music_timidity.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/codecs/music_timidity.c b/src/codecs/music_timidity.c
index e0c1bc8..1072b7f 100644
--- a/src/codecs/music_timidity.c
+++ b/src/codecs/music_timidity.c
@@ -45,8 +45,11 @@ static void TIMIDITY_Delete(void *context);
 /* Config file should contain any other directory that needs
  * to be added to the search path. The library adds the path
  * of the config file to its search path, too. */
-#if defined(__WIN32__) || defined(__OS2__)
+#if defined(__WIN32__)
 # define TIMIDITY_CFG           "C:\\TIMIDITY\\TIMIDITY.CFG"
+#elif defined(__OS2__)
+# define TIMIDITY_CFG           "C:\\TIMIDITY\\TIMIDITY.CFG"
+# define TIMIDITY_CFG_ETC       "/@unixroot/etc/timidity/timidity.cfg"
 #else  /* unix: */
 # define TIMIDITY_CFG_ETC       "/etc/timidity.cfg"
 # define TIMIDITY_CFG_FREEPATS  "/etc/timidity/freepats.cfg"