SDL_mixer: timidity: fix watcom "&array may not produce intended result" warnings.

SDL Commits
#1 
From 7804621c533dddfe970e97c94c4ea72d48ed7f48 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 10 Oct 2022 03:40:00 +0300
Subject: [PATCH] timidity: fix watcom "&array may not produce intended result"
 warnings.

---
 timidity/readmidi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/timidity/readmidi.c b/timidity/readmidi.c
index ee846356..e20cb09e 100644
--- a/timidity/readmidi.c
+++ b/timidity/readmidi.c
@@ -952,10 +952,10 @@ MidiEvent *read_midi_file(SDL_RWops *mrw, int32 *count, int32 *sp)
   GM_System_On=GS_System_On=XG_System_On=0;
   /* vol_table = def_vol_table; */
   XG_System_reverb_type=XG_System_chorus_type=XG_System_variation_type=0;
-  memset(&drumvolume,-1,sizeof(drumvolume));
-  memset(&drumchorusdepth,-1,sizeof(drumchorusdepth));
-  memset(&drumreverberation,-1,sizeof(drumreverberation));
-  memset(&drumpanpot,NO_PANNING,sizeof(drumpanpot));
+  memset(drumvolume,-1,sizeof(drumvolume));
+  memset(drumchorusdepth,-1,sizeof(drumchorusdepth));
+  memset(drumreverberation,-1,sizeof(drumreverberation));
+  memset(drumpanpot,NO_PANNING,sizeof(drumpanpot));
 
   for (i=0; i<MAXCHAN; i++)
      {