sceAudio3dTerminate

My First Gran Turismo® (CUSA49696) uses this while initializing it's audio system. Without it, the game spams errored sceAudio3dInitialize calls.

src/core/libraries/audio3d/audio3d.cpp

@@ -526,7 +526,11 @@ s32 PS4_SYSV_ABI sceAudio3dStrError() {
 }
 
 s32 PS4_SYSV_ABI sceAudio3dTerminate() {
-    LOG_ERROR(Lib_Audio3d, "(STUBBED) called");
+    LOG_INFO(Lib_Audio3d, "called");
+    if (!state) {
+        return ORBIS_AUDIO3D_ERROR_NOT_READY;
+    }
+    state.release();
     return ORBIS_OK;
 }