wineoss: Adapt "get_frequency_params" struct to mmdevapi's.

dlls/wineoss.drv/mmdevdrv.c

@@ -1414,7 +1414,7 @@ static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
     TRACE("(%p)->(%p)\n", This, freq);
 
     params.stream = This->stream;
-    params.frequency = freq;
+    params.freq = freq;
     OSS_CALL(get_frequency, &params);
 
     return params.result;

dlls/wineoss.drv/oss.c

@@ -1295,7 +1295,7 @@ static NTSTATUS oss_get_frequency(void *args)
 {
     struct get_frequency_params *params = args;
     struct oss_stream *stream = handle_get_stream(params->stream);
-    UINT64 *freq = params->frequency;
+    UINT64 *freq = params->freq;
 
     oss_lock(stream);
 
@@ -1911,12 +1911,12 @@ static NTSTATUS oss_wow64_get_frequency(void *args)
     {
         stream_handle stream;
         HRESULT result;
-        PTR32 frequency;
+        PTR32 freq;
     } *params32 = args;
     struct get_frequency_params params =
     {
         .stream = params32->stream,
-        .frequency = ULongToPtr(params32->frequency)
+        .freq = ULongToPtr(params32->freq)
     };
     oss_get_frequency(&params);
     params32->result = params.result;

dlls/wineoss.drv/unixlib.h

@@ -180,7 +180,7 @@ struct get_frequency_params
 {
     stream_handle stream;
     HRESULT result;
-    UINT64 *frequency;
+    UINT64 *freq;
 };
 
 struct get_position_params