dsound: Use nameless unions.

dlls/dsound/Makefile.in

 MODULE    = dsound.dll
 IMPORTLIB = dsound
 IMPORTS   = dxguid uuid winmm ole32 advapi32 user32
-EXTRADEFS = -DWINE_NO_NAMELESS_EXTENSION
 
 EXTRADLLFLAGS = -mno-cygwin
 

dlls/dsound/dsound_main.c

@@ -213,7 +213,7 @@ static HRESULT get_mmdevice_guid(IMMDevice *device, IPropertyStore *ps,
         return hr;
     }
 
-    CLSIDFromString(pv.u.pwszVal, guid);
+    CLSIDFromString(pv.pwszVal, guid);
 
     PropVariantClear(&pv);
     IPropertyStore_Release(ps);
@@ -432,9 +432,9 @@ static BOOL send_device(IMMDevice *device, GUID *guid,
     }
 
     TRACE("Calling back with %s (%s)\n", wine_dbgstr_guid(guid),
-            wine_dbgstr_w(pv.u.pwszVal));
+            wine_dbgstr_w(pv.pwszVal));
 
-    keep_going = cb(guid, pv.u.pwszVal, wine_vxd_drv, user);
+    keep_going = cb(guid, pv.pwszVal, wine_vxd_drv, user);
 
     PropVariantClear(&pv);
     IPropertyStore_Release(ps);

dlls/dsound/primary.c

@@ -90,7 +90,7 @@ static DWORD DSOUND_FindSpeakerConfig(IMMDevice *mmdevice, int channels)
         return def;
     }
 
-    phys_speakers = pv.u.ulVal;
+    phys_speakers = pv.ulVal;
 
     PropVariantClear(&pv);
     IPropertyStore_Release(store);

dlls/dsound/propset.c

@@ -246,7 +246,7 @@ static HRESULT DSPROPERTY_DescriptionW(
         return hr;
     }
 
-    ppd->Description = strdupW(pv.u.pwszVal);
+    ppd->Description = strdupW(pv.pwszVal);
     ppd->Module = strdupW(wine_vxd_drv);
     ppd->Interface = strdupW(wInterface);
     ppd->Type = DIRECTSOUNDDEVICE_TYPE_VXD;