OSS is no longer the preferred audio backend on modern UNIX systems

Fixes https://github.com/libsdl-org/SDL/issues/4207

src/audio/SDL_audio.c

@@ -47,9 +47,6 @@ static const AudioBootStrap *const bootstrap[] = {
 #if SDL_AUDIO_DRIVER_NETBSD
     &NETBSDAUDIO_bootstrap,
 #endif
-#if SDL_AUDIO_DRIVER_OSS
-    &DSP_bootstrap,
-#endif
 #if SDL_AUDIO_DRIVER_QSA
     &QSAAUDIO_bootstrap,
 #endif
@@ -113,6 +110,9 @@ static const AudioBootStrap *const bootstrap[] = {
 #if SDL_AUDIO_DRIVER_PIPEWIRE
     &PIPEWIRE_bootstrap,
 #endif
+#if SDL_AUDIO_DRIVER_OSS
+    &DSP_bootstrap,
+#endif
 #if SDL_AUDIO_DRIVER_OS2
     &OS2AUDIO_bootstrap,
 #endif