6887318: Incorrect constant used in DirectSound Mixer implementation

Reviewed-by: uta

src/windows/native/com/sun/media/sound/PLATFORM_API_WinOS_DirectSound.cpp

@@ -485,7 +485,7 @@ DWORD WINAPI __stdcall DS_StartBufferHelper::ThreadProc(void *param)
         }
         if (data.line2Start->isSource) {
             data.startResult =
-                data.line2Start->playBuffer->Play(0, 0, DSCBSTART_LOOPING);
+                data.line2Start->playBuffer->Play(0, 0, DSBPLAY_LOOPING);
         } else {
             data.startResult =
                 data.line2Start->captureBuffer->Start(DSCBSTART_LOOPING);