Helgrind: Suppress false positive reports on _dl_allocate_tls_init()

Reported-by: Dejan Jevtic <dejan.jevtic@rt-rk.com>


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13745 a5019735-40e9-0310-863c-91ae7b9d1cf9