Bring up, down, top, and bottom icons into XDG compliance

diff --git a/kipi-plugins/printwizard/frmprintwizard.cpp b/kipi-plugins/printwizard/frmprintwizard.cpp
index acf67c8..ebe5576 100644
--- a/kipi-plugins/printwizard/frmprintwizard.cpp
+++ b/kipi-plugins/printwizard/frmprintwizard.cpp
@@ -106,9 +106,9 @@
   BtnBrowseOutputPath->setText("");
   BtnBrowseOutputPath->setIconSet( SmallIconSet( "fileopen" ) );
   BtnPrintOrderDown->setText("");
-  BtnPrintOrderDown->setIconSet( SmallIconSet( "down" ) );
+  BtnPrintOrderDown->setIconSet( SmallIconSet( "go-down" ) );
   BtnPrintOrderUp->setText("");
-  BtnPrintOrderUp->setIconSet( SmallIconSet( "up" ) );
+  BtnPrintOrderUp->setIconSet( SmallIconSet( "go-up" ) );
   BtnPreviewPageUp->setText("");
   BtnPreviewPageUp->setIconSet( SmallIconSet( "go-next" ) );
   BtnPreviewPageDown->setText("");