Resolver: fixed off-by-one read in ngx_resolver_copy(). It is believed to be harmless, and in the worst case it uses some uninitialized memory as a part of the compression pointer length, eventually leading to the "name is out of DNS response" error.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


have=NGX_SUPPRESS_WARN . auto/have

have=NGX_SMP . auto/have