Upstream adjusted my patch to xdg-utils a little before committing it. Merge.

scripts/xdg-icon-resource

 #!/bin/sh
 #---------------------------------------------
 #   xdg-icon-resource
 #
 #   Utility script to install icons on a Linux desktop.
 #
 #   Refer to the usage() function below for usage.
 #
 #   Copyright 2009-2010, Fathi Boudra <fabo@freedesktop.org>
 #   Copyright 2009-2010, Rex Dieter <rdieter@fedoraproject.org>
@@ skipping 473 matching lines @@
       case "$(uname 2>/dev/null)" in 
         Darwin)
           DE=darwin;
           ;;
       esac
     fi
 
     if [ x"$DE" = x"gnome" ]; then
       # gnome-default-applications-properties is only available in GNOME 2.x
       # but not in GNOME 3.x
-      which gnome-default-applications-properties > /dev/null 2> /dev/null || DE="gnome3"
+      which gnome-default-applications-properties > /dev/null 2>&1  || DE="gnome3"
     fi
 }
 
 #----------------------------------------------------------------------------
 # kfmclient exec/openURL can give bogus exit value in KDE <= 3.5.4
 # It also always returns 1 in KDE 3.4 and earlier
 # Simply return 0 in such case
 
 kfmclient_fix_exit_code()
 {
@@ skipping 419 matching lines @@
 if [ x"$update" = x"yes" ] ; then
     update_icon_database "$xdg_base_dir"
     if [ -n "$dot_icon_dir" ] ; then
         if [ -d "$dot_icon_dir/" -a ! -L "$dot_icon_dir" ] ; then
             update_icon_database $dot_base_dir
         fi
     fi
 fi
 
 exit_success