Added DragonFlyBSD code and libraries.

Author: fredvs

src/drums.pas

@@ -1350,6 +1350,13 @@ procedure tdrumsfo.loadsoundlib(const Sender: TObject);
   lib4 := AnsiString(ordir + 'lib/OpenBSD/64bit/LibSoundTouch-64.so');
      {$ENDIF}
 
+   {$if defined(CPUAMD64) and defined(dragonfly) }
+  lib1 := AnsiString(ordir + 'lib/DragonFlyBSD/64bit/LibPortaudio-64.so');
+  lib2 := AnsiString(ordir + 'lib/DragonFlyBSD/64bit/LibSndFile-64.so');
+  lib3 := AnsiString(ordir + 'lib/DragonFlyBSD/64bit/LibMpg123-64.so');
+  lib4 := AnsiString(ordir + 'lib/DragonFlyBSD/64bit/LibSoundTouch-64.so');
+     {$ENDIF}
+
      {$if defined(cpu64) and defined(darwin) }
   lib1 := AnsiString(ordir + 'lib/Mac/64bit/LibPortaudio-64.dylib');
   lib2 := AnsiString(ordir + 'lib/Mac/64bit/LibSndFile-64.dylib');