New suppressions for SSL_ClearSessionCache on mac.

tools/valgrind/memcheck/suppressions_mac.txt

Index: tools/valgrind/memcheck/suppressions_mac.txt
diff --git a/tools/valgrind/memcheck/suppressions_mac.txt b/tools/valgrind/memcheck/suppressions_mac.txt
index e5101bccecd903b8a8ab2c895e47cbc16790cc33..8248e11489c93588f611f984ecf4350cb1c5ceb3 100644
--- a/tools/valgrind/memcheck/suppressions_mac.txt
+++ b/tools/valgrind/memcheck/suppressions_mac.txt
@@ -1764,6 +1764,19 @@
    fun:_ZN4base12LazyInstanceIN3net19NSSSSLInitSingletonENS_25DefaultLazyInstanceTraitsIS2_EEE6OnExitEPv
 }
 {
+   bug_95718_b
+   Memcheck:Leak
+   fun:calloc
+   fun:PR_NewLock
+   fun:ssl_Init*
+   fun:InitSessionCacheLocks
+   fun:initSessionCacheLocksLazily
+   fun:PR_CallOnce
+   fun:ssl_InitSessionCacheLocks
+   fun:lock_cache
+   fun:SSL_ClearSessionCache
+}
+{
    bug_96300
    Memcheck:Leak
    ...