fix more -Wparentheses warnings after wxLog changes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61465 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/bmpcombobox.cpp

@@ -890,7 +890,9 @@ wxBitmap BitmapComboBoxWidgetsPage::QueryBitmap(wxString* pStr)
     }
 
     if (bitmap.IsOk())
+    {
         wxLogDebug(wxT("%i, %i"),bitmap.GetWidth(), bitmap.GetHeight());
+    }
 
     ::wxSetCursor( *wxSTANDARD_CURSOR );