Added an additional suppression pattern.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8332 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index ab48629..10d80b4 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -304,6 +304,16 @@
    obj:/usr/lib*/libgomp.so*
 }
 {
+   libX11-XListFontsWithInfo
+   exp-drd:CondErr
+   fun:pthread_cond_init*
+   fun:_XReply
+   fun:XListFontsWithInfo
+   obj:/usr/lib*/libX11.so*
+   fun:XCreateOC
+   fun:XCreateFontSet
+}
+{
    libxcb-xcb_wait_for_reply
    exp-drd:CondErr
    fun:pthread_cond_destroy*