Mark the leak of bug 77990 as intentional and adjust the suppression

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 113286)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -3224,21 +3224,14 @@
    fun:*ResolveProxyMsgHelperTest_*_Test8TestBodyEv
 }
 {
-   bug_77990
+   # Intentionally leaking NSS to prevent shutdown crashes

[cbentzel, 2011/12/07 13:14:52]

This should move into either section 1 or section 2 above. See the comments at
the top of the file.

+   bug_77990 (Intentional)
    Memcheck:Leak
    fun:calloc
    ...
    fun:error_get_my_stack
    fun:nss_ClearErrorStack
    fun:NSSArena_Destroy
-   fun:nssList_Destroy
-   fun:nssCertificateStore_RemoveCertLOCKED
-   fun:nssCertificate_Destroy
-   ...
-   fun:ssl_DestroySID
-   fun:ssl_FreeLockedSID
-   fun:UncacheSID
-   fun:SSL_ClearSessionCache
 }
 {
    bug_78201