Added a glibc 2.7 suppression.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7523 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.X-drd.supp b/glibc-2.X-drd.supp
index 8652ad8..0f3dcb3 100644
--- a/glibc-2.X-drd.supp
+++ b/glibc-2.X-drd.supp
@@ -113,6 +113,12 @@
    fun:pthread_create*
 }
 {
+   pthread-glibc2.7-pthread_create
+   exp-drd:ConflictingAccess
+   fun:memset
+   fun:pthread_create*
+}
+{
    pthread
    exp-drd:ConflictingAccess
    fun:pthread_mutex_lock