Samba 4.2.1 发布，最新稳定版本

Samba 4.2.1 发布，此版本是最新的稳定版本，此版本现已提供下载，同时提供 patch against Samba 4.2.0。

更新内容：

Michael Adam <obnox@samba.org>
* BUG 8905: s3:winbind:grent: Don’t stop group enumeration when a group has
no gid.
* BUG 10476: build:wafadmin: Fix use of spaces instead of tabs.
* BUG 11143: s3-winbind: Fix cached user group lookup of trusted domains.
o Jeremy Allison <jra@samba.org>
* BUG 10016: s3: lib: ntlmssp: If NTLMSSP_NEGOTIATE_TARGET_INFO isn’t set,
cope with servers that don’t send the 2 unused fields.
* BUG 10888: s3: client: “client use spnego principal = yes” code checks
wrong name.
* BUG 11079: s3: lib: libsmbclient: If reusing a server struct, check every
cli->timout miliseconds if it’s still valid before use.
* BUG 11173: s3: libcli: smb1: Ensure we correctly finish a tevent req if
the writev fails in the SMB1 case.
* BUG 11175: Fix lots of winbindd zombie processes on Solaris platform.
* BUG 11177: s3: libsmbclient: Add missing talloc stackframe.
o Andrew Bartlett <abartlet@samba.org>
* BUG 11135: backupkey: Explicitly link to gnutls and gcrypt.
* BUG 11174: backupkey: Use ndr_pull_struct_blob_all().
o Ralph Boehme <slow@samba.org>
* BUG 11125: vfs_fruit: Enhance handling of malformed AppleDouble files.
o Samuel Cabrero <samuelcabrero@kernevil.me>
* BUG 9791: Initialize dwFlags field of DNS_RPC_NODE structure.
o David Disseldorp <ddiss@samba.org>
* BUG 11169: docs/idmap_rid: Remove deprecated base_rid from example.
o Volker Lendecke <vl@samba.org>
* BUG 10476: waf: Fix the build on openbsd.
o Stefan Metzmacher <metze@samba.org>
* BUG 11144: talloc: Version 2.1.2.
* BUG 11164: s4:auth/gensec_gssapi: Let gensec_gssapi_update() return
NT_STATUS_LOGON_FAILURE for unknown errors.
o Matthew Newton <matthew-git@newtoncomputing.co.uk>
* BUG 11149: Update libwbclient version to 0.12.
o Andreas Schneider <asn@samba.org>
* BUG 11018: spoolss: Retrieve published printer GUID if not in registry.
* BUG 11135: replace: Remove superfluous check for gcrypt header.
* BUG 11180: s4-process_model: Do not close random fds while forking.
* BUG 11185: s3-passdb: Fix ‘force user’ with winbind default domain.
o Christof Schmitt <cs@samba.org>
* BUG 11153: brlock: Use 0 instead of empty initializer list.
o Thomas Schulz <schulz@adi.com>
* BUG 11092: lib: texpect: Fix the build on Solaris.
* BUG 11140: libcli/auth: Match Declaration of
netlogon_creds_cli_context_tmp with implementation.
o Jelmer Vernooij <jelmer@samba.org>
* BUG 11137: Backport subunit changes.