winmm: Use nameless unions.

dlls/winmm/Makefile.in

-EXTRADEFS = -D_WINMM_ -DWINE_NO_NAMELESS_EXTENSION
+EXTRADEFS = -D_WINMM_
 MODULE    = winmm.dll
 IMPORTLIB = winmm
 IMPORTS   = uuid user32 advapi32 ole32 msacm32

dlls/winmm/lolvldrv.c

@@ -532,10 +532,10 @@ static void MMDRV_Init(void)
         goto exit;
     }
 
-    size = WideCharToMultiByte(CP_ACP, 0, pv.u.pwszVal, -1,
+    size = WideCharToMultiByte(CP_ACP, 0, pv.pwszVal, -1,
             NULL, 0, NULL, NULL);
     drvA = HeapAlloc(GetProcessHeap(), 0, size);
-    WideCharToMultiByte(CP_ACP, 0, pv.u.pwszVal, -1, drvA, size, NULL, NULL);
+    WideCharToMultiByte(CP_ACP, 0, pv.pwszVal, -1, drvA, size, NULL, NULL);
 
     MMDRV_Install(drvA, drvA, FALSE);
 

dlls/winmm/waveform.c

@@ -422,7 +422,7 @@ static HRESULT WINMM_GetFriendlyName(IMMDevice *device, WCHAR *out,
         return hr;
     }
 
-    lstrcpynW(out, var.u.pwszVal, outlen);
+    lstrcpynW(out, var.pwszVal, outlen);
 
     PropVariantClear(&var);
 
@@ -2368,7 +2368,7 @@ static LRESULT DRV_QueryDeviceInterface(WINMM_QueryInterfaceInfo *info)
         return MMSYSERR_ERROR;
     }
 
-    len_bytes = (lstrlenW(pv.u.pwszVal) + 1) * sizeof(WCHAR);
+    len_bytes = (lstrlenW(pv.pwszVal) + 1) * sizeof(WCHAR);
 
     if(info->str){
         if(len_bytes > *info->len_bytes){
@@ -2378,7 +2378,7 @@ static LRESULT DRV_QueryDeviceInterface(WINMM_QueryInterfaceInfo *info)
             return MMSYSERR_INVALPARAM;
         }
 
-        memcpy(info->str, pv.u.pwszVal, len_bytes);
+        memcpy(info->str, pv.pwszVal, len_bytes);
     }else
         *info->len_bytes = len_bytes;