SDL_mixer: timidity: revert unintended part from prev. commit. whitespace tidy-up.

From b52e081dd5422ac898335415f70f53b8776a1168 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 14 Dec 2021 02:10:02 +0300
Subject: [PATCH] timidity: revert unintended part from prev. commit. 
 whitespace tidy-up.

---
 src/codecs/timidity/instrum.c | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/src/codecs/timidity/instrum.c b/src/codecs/timidity/instrum.c
index 85b1c2db..d53d4a2e 100644
--- a/src/codecs/timidity/instrum.c
+++ b/src/codecs/timidity/instrum.c
@@ -45,7 +45,7 @@ static void free_bank(MidiSong *song, int dr, int b)
       {
 	if (bank->instrument[i] != MAGIC_LOAD_INSTRUMENT)
 	  free_instrument(bank->instrument[i]);
-	bank->instrument[i]=0;
+	bank->instrument[i] = NULL;
       }
 }
 
@@ -161,15 +161,14 @@ static void load_instrument(MidiSong *song, const char *name,
 
   /* Open patch file */
   i = -1;
-  SDL_strlcpy(tmp, name, sizeof(tmp));
   if ((rw=timi_openfile(name)) == NULL)
     {
       /* Try with various extensions */
       for (i=0; patch_ext[i]; i++)
 	{
-	      SDL_snprintf(tmp, sizeof(tmp), "%s%s", name, patch_ext[i]);
-	      if ((rw=timi_openfile(tmp)) != NULL)
-		  break;
+	    SDL_snprintf(tmp, sizeof(tmp), "%s%s", name, patch_ext[i]);
+	    if ((rw=timi_openfile(tmp)) != NULL)
+		break;
 	}
     }
 
@@ -290,7 +289,6 @@ static void load_instrument(MidiSong *song, const char *name,
 	  SNDDBG((" * vibrato: sweep %d, ctl %d, depth %d\n",
 	       sp->vibrato_sweep_increment, sp->vibrato_control_ratio,
 	       sp->vibrato_depth));
-
 	}
 
       READ_CHAR(sp->modes);
@@ -306,9 +304,9 @@ static void load_instrument(MidiSong *song, const char *name,
 	sp->note_to_use=0;
 
       /* seashore.pat in the Midia patch set has no Sustain. I don't
-         understand why, and fixing it by adding the Sustain flag to
-         all looped patches probably breaks something else. We do it
-         anyway. */
+	 understand why, and fixing it by adding the Sustain flag to
+	 all looped patches probably breaks something else. We do it
+	 anyway. */
       if (sp->modes & MODES_LOOPING) 
 	sp->modes |= MODES_SUSTAIN;
 
@@ -459,8 +457,7 @@ static void load_instrument(MidiSong *song, const char *name,
       sp->loop_start /= 2;
       sp->loop_end /= 2;
 
-      /* initialize the added extra sample space (see the +4 bytes in
-	 allocation) using the last actual sample:  */
+      /* initialize the added extra sample space (see the +4 bytes) */
       sp->data[sp->data_length] = sp->data[sp->data_length+1] = 0;
 
       /* Then fractional samples */
@@ -541,12 +538,12 @@ static int fill_bank(MidiSong *song, int dr, int b)
 			  MAGIC_LOAD_INSTRUMENT;
 		    }
 		}
-	      bank->instrument[i] = 0;
+	      bank->instrument[i] = NULL;
 	      errors++;
 	    }
 	  else
-	  {
-		load_instrument(song,
+	    {
+	      load_instrument(song,
 				     bank->tone[i].name, 
 				     &bank->instrument[i],
 				     (dr) ? 1 : 0,
@@ -562,13 +559,13 @@ static int fill_bank(MidiSong *song, int dr, int b)
 				     bank->tone[i].strip_envelope :
 				     ((dr) ? 1 : -1),
 				     bank->tone[i].strip_tail);
-	    if (!bank->instrument[i]) {
+	      if (!bank->instrument[i]) {
 		SNDDBG(("Couldn't load instrument %s (%s %d, program %d)\n",
 		   bank->tone[i].name,
 		   (dr)? "drum set" : "tone bank", b, i));
-	      errors++;
+		errors++;
+	      }
 	    }
-	  }
 	}
     }
   return errors;