Fixed bug: module editor doesn't respect global "per module" solder mask clearance (GAL).

pcbnew/modedit.cpp

@@ -584,6 +584,7 @@ void FOOTPRINT_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
 
             int ret = dialog.ShowModal();
             GetScreen()->GetCurItem()->ClearFlags();
+            GetBoard()->m_Modules.GetFirst()->ViewUpdate();
 
             if( ret > 0 )
                 m_canvas->Refresh();