Fixed MessageBox() usage.

dlls/shell32/dialogs.c

@@ -56,7 +56,7 @@ void WINAPI RunFileDlg(
 void WINAPI ExitWindowsDialog (HWND hWndOwner)
 {
 	TRACE("(0x%08x)\n", hWndOwner);
-	if (MessageBoxA( hWndOwner, "Do you want to exit WINE?", "Shutdown", MB_YESNO|MB_ICONQUESTION) == IDOK)
+	if (MessageBoxA( hWndOwner, "Do you want to exit WINE?", "Shutdown", MB_YESNO|MB_ICONQUESTION) == IDYES)
 	{
 	  SendMessageA ( hWndOwner, WM_QUIT, 0, 0);
 	}

programs/notepad/dialog.c

@@ -76,7 +76,7 @@ int AlertFileNotSaved(LPSTR szFileName) {
    LoadString(Globals.hInstance, IDS_ERROR,  szRessource, sizeof(szRessource));
 
    /* Display modal */
-   nResult = MessageBox(Globals.hMainWnd, szMessage, szRessource, MB_ICONEXCLAMATION + MB_YESNOCANCEL);
+   nResult = MessageBox(Globals.hMainWnd, szMessage, szRessource, MB_ICONEXCLAMATION|MB_YESNOCANCEL);
    return(nResult);
 }