Add std_thread2.supp to the tarball.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14442 a5019735-40e9-0310-863c-91ae7b9d1cf9
nightly/bin/nightly: Handle libc.so being in /lib or /lib64.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14443 a5019735-40e9-0310-863c-91ae7b9d1cf9