Added suppression pattern for random_r(), which is a.o. called by rand().

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8814 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index c415f86..46b9de2 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -66,6 +66,11 @@
    fun:exit
 }
 {
+   libc-random_r
+   drd:ConflictingAccess
+   fun:random_r
+}
+{
    librt
    drd:ConflictingAccess
    fun:__librt_enable_asynccancel