Put braces around all calls to wxLogFunctions() inside an if statement.

This suppresses all the remaining g++ -Wparentheses warnings and uses consistent style everywhere.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61475 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/htlbox/htlbox.cpp

@@ -541,7 +541,9 @@ void MyFrame::OnLboxSelect(wxCommandEvent& event)
         }
 
         if ( !s.empty() )
+        {
             wxLogMessage(_T("Selected items: %s"), s.c_str());
+        }
     }
 
 #if wxUSE_STATUSBAR