mmdevapi: Import GetAudioSessionWrapper() from driver.

dlls/mmdevapi/main.c

@@ -101,6 +101,7 @@ static BOOL load_driver(const WCHAR *name, DriverFuncs *driver)
     LDFC(GetEndpointIDs);
     LDFC(GetAudioEndpoint);
     LDFC(GetAudioSessionManager);
+    LDFC(GetAudioSessionWrapper);
 #undef LDFC
 
     /* optional - do not fail if not found */

dlls/mmdevapi/mmdevapi_private.h

@@ -23,6 +23,7 @@
 #include <wine/list.h>
 #include <wine/unixlib.h>
 
+#include "mmdevdrv.h"
 #include "unixlib.h"
 
 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN;
@@ -50,6 +51,8 @@ typedef struct _DriverFuncs {
             IAudioClient **out);
     HRESULT (WINAPI *pGetAudioSessionManager)(IMMDevice *device,
             IAudioSessionManager2 **out);
+    HRESULT (WINAPI *pGetAudioSessionWrapper)(const GUID *guid, IMMDevice *device,
+                                              struct audio_session_wrapper **out);
     HRESULT (WINAPI *pGetPropValue)(GUID *guid,
             const PROPERTYKEY *prop, PROPVARIANT *out);
 } DriverFuncs;