Fix wxPen and wxBrush style deprecation warnings in utils

Fix a warning about hidden local variable in the helpview util.

utils/helpview/src/helpview.cpp

@@ -119,15 +119,15 @@ bool hvApp::OnInit()
         }
         else if ( argStr.Find( wxT("--Style") )  >= 0 )
         {
-            long i;
+            long style;
             wxString numb = argStr.AfterLast(wxT('e'));
-            if ( !(numb.ToLong(&i) ) )
+            if ( !(numb.ToLong(&style) ) )
             {
                 wxLogError( wxT("Integer conversion failed for --Style") );
             }
             else
             {
-                istyle = i;
+                istyle = style;
             }
         }
         else