Accepting request 820064 from home:kukuk:container

- Use systemd_ordering instead of requiring to make rsyslog useable
  in containers.

OBS-URL: https://build.opensuse.org/request/show/820064
OBS-URL: https://build.opensuse.org/package/show/Base:System/rsyslog?expand=0&rev=317

rsyslog.spec

@@ -98,7 +98,7 @@ Requires(pre):  /etc/init.d/syslog
 %else
 Requires(pre):  syslog-service >= 2.0
 %endif
-%{?systemd_requires}
+%{?systemd_ordering}
 BuildRequires:  pkgconfig(systemd) >= 209
 %if %{with journal}
 BuildRequires:  pkgconfig(libsystemd) >= 234
@@ -220,7 +220,7 @@ BuildRequires:  tcl-devel
 %endif
 %endif
 %if %{with systemd}
-%{?systemd_requires}
+%{?systemd_ordering}
 BuildRequires:  pkgconfig(systemd)
 %endif
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build