* preferences_widget.cpp: fixed a compilation error

diff --git a/modules/gui/wxwindows/preferences_widgets.cpp b/modules/gui/wxwindows/preferences_widgets.cpp
index b087529dae21130946532004a40a694afe60b01d..a82ad10f7bf070c4c42ac64ed9fb19bb383bbb19 100644 (file)
--- a/modules/gui/wxwindows/preferences_widgets.cpp
+++ b/modules/gui/wxwindows/preferences_widgets.cpp
@@ -390,7 +390,8 @@ void  ModuleListCatConfigControl::OnUpdate( wxCommandEvent &event )
             }
             else
             {
-                newtext += wxU( "," ) + wxU(pp_checkboxes[i]->psz_module);
+                newtext += wxU( "," );
+                newtext += wxU(pp_checkboxes[i]->psz_module);
             }
         }
     }