Bring previous and next icons into XDG compliance

diff --git a/quanta/utility/quantabookmarks.cpp b/quanta/utility/quantabookmarks.cpp
index 37151a8..8d32e20 100644
--- a/quanta/utility/quantabookmarks.cpp
+++ b/quanta/utility/quantabookmarks.cpp
@@ -98,13 +98,13 @@
   m_bookmarkClear->setWhatsThis(i18n("Remove all bookmarks of the current document."));
 
   m_goNext = new TDEAction(
-      i18n("Next Bookmark"), "next", ALT + Key_PageDown,
+      i18n("Next Bookmark"), "go-next", ALT + Key_PageDown,
   this, TQT_SLOT(goNext()),
   ac, "bookmarks_next");
   m_goNext->setWhatsThis(i18n("Go to the next bookmark."));
 
   m_goPrevious = new TDEAction(
-      i18n("Previous Bookmark"), "previous", ALT + Key_PageUp,
+      i18n("Previous Bookmark"), "go-previous", ALT + Key_PageUp,
   this, TQT_SLOT(goPrevious()),
   ac, "bookmarks_previous");
   m_goPrevious->setWhatsThis(i18n("Go to the previous bookmark."));