Fix exec icon location and bring it into XDG compliance

diff --git a/krename/kmylistview.cpp b/krename/kmylistview.cpp
index 299d05c..ce683d2 100644
--- a/krename/kmylistview.cpp
+++ b/krename/kmylistview.cpp
@@ -80,7 +80,7 @@
         menu->insertTitle( list->text( itemIndex( item ) ), 0, 0 );
         menu->insertItem( i18n("&Change Filename Manually"), this, TQT_SLOT( changeCurrentItem() ), Key_F2 );
         menu->insertSeparator();
-        menu->insertItem( BarIcon("exec"), i18n("Open"), this, TQT_SLOT( openCurrent() ) );
+        menu->insertItem( BarIcon("application-x-executable"), i18n("Open"), this, TQT_SLOT( openCurrent() ) );
         menu->insertSeparator();
     }
     menu->insertItem( BarIcon("document-open"), i18n("&Add..."), this, TQT_SLOT( addFiles() ) );