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diff --git a/source/3rd-party/SDL2/src/audio/qsa/SDL_qsa_audio.h b/source/3rd-party/SDL2/src/audio/qsa/SDL_qsa_audio.h
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "../../SDL_internal.h"
+
+#ifndef __SDL_QSA_AUDIO_H__
+#define __SDL_QSA_AUDIO_H__
+
+#include <sys/asoundlib.h>
+
+#include "../SDL_sysaudio.h"
+
+/* Hidden "this" pointer for the audio functions */
+#define _THIS SDL_AudioDevice* this
+
+struct SDL_PrivateAudioData
+{
+    /* SDL capture state */
+    SDL_bool iscapture;
+
+    /* The audio device handle */
+    int cardno;
+    int deviceno;
+    snd_pcm_t *audio_handle;
+
+    /* The audio file descriptor */
+    int audio_fd;
+
+    /* Select timeout status */
+    uint32_t timeout_on_wait;
+
+    /* Raw mixing buffer */
+    Uint8 *pcm_buf;
+    Uint32 pcm_len;
+};
+
+#endif /* __SDL_QSA_AUDIO_H__ */
+
+/* vi: set ts=4 sw=4 expandtab: */