Update xdg-utils to the latest version available in git.

third_party/xdg-utils/scripts/xdg-terminal.in

Index: third_party/xdg-utils/scripts/xdg-terminal.in
===================================================================
--- third_party/xdg-utils/scripts/xdg-terminal.in	(revision 79909)
+++ third_party/xdg-utils/scripts/xdg-terminal.in	(working copy)
@@ -32,7 +32,7 @@
 {
     terminal=`kreadconfig --file kdeglobals --group General --key TerminalApplication --default konsole`
 
-    terminal_exec=`which $terminal >/dev/null 2>/dev/null`
+    terminal_exec=`which $terminal 2>/dev/null`
 
     if [ -x "$terminal_exec" ]; then
         if [ x"$1" == x"" ]; then
@@ -166,7 +166,7 @@
     terminal_kde "$command"
     ;;
 
-    gnome)
+    gnome*)
     terminal_gnome "$command"
     ;;