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/dialup/nettest.cpp

@@ -305,9 +305,13 @@ void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 {
    if(wxGetApp().GetDialer()->IsOnline())
+   {
       wxLogMessage(wxT("Network is online."));
+   }
    else
+   {
       wxLogMessage(wxT("Network is offline."));
+   }
 }
 
 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))