- bsc#1160729: Make valid shell check only a warning

* Add shadow-4.8-shell-check.patch

OBS-URL: https://build.opensuse.org/package/show/Base:System/shadow?expand=0&rev=83

shadow.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package shadow
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -63,6 +63,8 @@ Patch13:        shadow-login_defs-comments.patch
 Patch14:        shadow-login_defs-suse.patch
 # PATCH-FIX-UPSTREAM shadow-4.8-selinux-include.patch mvetter@suse.com -- https://github.com/shadow-maint/shadow/pull/200
 Patch15:        shadow-4.8-selinux-include.patch
+# PATCH-FEATURE mvetter@suse.com -- bsc#1160729 https://github.com/shadow-maint/shadow/pull/210
+Patch16:        shadow-4.8-shell-check.patch
 # PATCH-FIX-SUSE disable_new_audit_function.patch adam.majer@suse.de -- Disable newer libaudit functionality for older distributions.
 Patch20:        disable_new_audit_function.patch
 BuildRequires:  audit-devel > 2.3
@@ -109,6 +111,7 @@ group accounts.
 %patch13
 %patch14
 %patch15 -p1
+%patch16 -p1
 %if 0%{?suse_version} < 1330
 %patch20 -p1
 %endif