Added a suppression pattern for the data races triggered by the glibc function fflush().

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8855 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index 4b13a0a..02a65de 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -78,6 +78,12 @@
    fun:vfprintf
 }
 {
+   libc:stdio
+   drd:ConflictingAccess
+   ...
+   fun:fflush
+}
+{
    librt
    drd:ConflictingAccess
    fun:__librt_enable_asynccancel