Fix some warnings

modules/gui/wxwidgets/dialogs/infopanels.cpp

@@ -177,7 +177,6 @@ AdvancedInfoPanel::AdvancedInfoPanel( intf_thread_t *_p_intf,
                                       wxWindow* _p_parent ):
     wxPanel( _p_parent, -1 )
 {
-    int flags= wxTE_PROCESS_ENTER;
     /* Initializations */
     p_intf = _p_intf;
     p_parent = _p_parent;

modules/gui/wxwidgets/interface.cpp

@@ -1261,7 +1261,7 @@ bool DragAndDrop::OnDropFiles( wxCoord, wxCoord,
 
     for( size_t i = 0; i < filenames.GetCount(); i++ )
     {
-        char *psz_utf8 = wxDnDFromLocale( filenames[i] );
+        const char *psz_utf8 = wxDnDFromLocale( filenames[i] );
 
         playlist_Add( p_playlist, psz_utf8, psz_utf8,
                       PLAYLIST_APPEND | ((i | b_enqueue) ? 0 : PLAYLIST_GO),