Added libX11 and libxcb suppression types.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7757 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index e95681d..23e7d4c 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -340,3 +340,15 @@
    obj:/usr/lib*/libgomp.so*
    obj:/usr/lib*/libgomp.so*
 }
+{
+   libxcb-xcb_wait_for_reply
+   exp-drd:CondErr
+   fun:pthread_cond_destroy*
+   fun:xcb_wait_for_reply
+}
+{
+   libX11-XReply
+   exp-drd:CondErr
+   fun:pthread_cond_init*
+   fun:_XReply
+}