Initialize nss libraries in Glibc so that the dynamic libraries are loaded in the...

Initialize nss libraries in Glibc so that the dynamic libraries are loaded in the host environment not in the chroot from untrusted files.

See also OpenVZ https://github.com/kolyshkin/vzctl/blob/a3f732ef751998913fcf0a11b3e05236b51fd7e9/src/enter.c#L227-L234

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
Signed-off-by: Tibor Vass <tibor@docker.com>
(cherry picked from commit a316b10dab79d9298b02c7930958ed52e0ccf4e4)

Gbp-Pq: Name cve-2019-14271-Initialize-nss-libraries-in-Glibc.patch