update suppression for newer versions of Xorg


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5491 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/xfree-4.supp b/xfree-4.supp
index 8348869..e88ff45 100644
--- a/xfree-4.supp
+++ b/xfree-4.supp
@@ -183,5 +183,16 @@
    fun:_XSend
 }
 
+{
+   Xorg 6.9.0 writev uninit padding
+   Memcheck:Param
+   writev(vector[...])
+   fun:do_writev
+   fun:writev
+   obj:/usr/X11R6/lib*/libX11.so.6.2
+   fun:_X11TransWritev
+   fun:_XSend
+}
+
 ##----------------------------------------------------------------------##