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

src/html/helpwnd.cpp

@@ -1529,9 +1529,13 @@ void wxHtmlHelpWindow::OnToolbar(wxCommandEvent& event)
                 if (m_Printer == NULL)
                     m_Printer = new wxHtmlEasyPrinting(_("Help Printing"), this);
                 if (!m_HtmlWin->GetOpenedPage())
+                {
                     wxLogWarning(_("Cannot print empty page."));
+                }
                 else
+                {
                     m_Printer->PrintFile(m_HtmlWin->GetOpenedPage());
+                }
             }
             break;
 #endif