shlwapi: Convert SHPackDispParams to use an MS ABI vararg list for x86_64.

dlls/shlwapi/ordinal.c

@@ -2816,7 +2816,7 @@ HRESULT WINAPI SHInvokeDefaultCommand(HWND hWnd, IShellFolder* lpFolder, LPCITEM
  *
  * _SHPackDispParamsV
  */
-HRESULT WINAPI SHPackDispParamsV(DISPPARAMS *params, VARIANTARG *args, UINT cnt, va_list valist)
+HRESULT WINAPI SHPackDispParamsV(DISPPARAMS *params, VARIANTARG *args, UINT cnt, __ms_va_list valist)
 {
   VARIANTARG *iter;
 
@@ -2870,14 +2870,12 @@ HRESULT WINAPI SHPackDispParamsV(DISPPARAMS *params, VARIANTARG *args, UINT cnt,
  */
 HRESULT WINAPIV SHPackDispParams(DISPPARAMS *params, VARIANTARG *args, UINT cnt, ...)
 {
-  va_list valist;
+  __ms_va_list valist;
   HRESULT hres;
 
-  va_start(valist, cnt);
-
+  __ms_va_start(valist, cnt);
   hres = SHPackDispParamsV(params, args, cnt, valist);
-
-  va_end(valist);
+  __ms_va_end(valist);
   return hres;
 }
 
@@ -3003,7 +3001,7 @@ HRESULT WINAPIV IUnknown_CPContainerInvokeParam(
   IConnectionPoint *iCP;
   IConnectionPointContainer *iCPC;
   DISPPARAMS dispParams = {buffer, NULL, cParams, 0};
-  va_list valist;
+  __ms_va_list valist;
 
   if (!container)
     return E_NOINTERFACE;
@@ -3017,9 +3015,9 @@ HRESULT WINAPIV IUnknown_CPContainerInvokeParam(
   if(FAILED(result))
       return result;
 
-  va_start(valist, cParams);
+  __ms_va_start(valist, cParams);
   SHPackDispParamsV(&dispParams, buffer, cParams, valist);
-  va_end(valist);
+  __ms_va_end(valist);
 
   result = SHLWAPI_InvokeByIID(iCP, riid, dispId, &dispParams);
   IConnectionPoint_Release(iCP);