Added yet another DRD suppression pattern.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8775 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index 88b833c..a4f713c 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -298,6 +298,12 @@
 {
    pthread
    drd:ConflictingAccess
+   ...
+   fun:pthread_cancel_init
+}
+{
+   pthread
+   drd:ConflictingAccess
    fun:sigcancel_handler
    obj:/lib*/libpthread-*
 }