Accepting request 590371 from home:dimstar:Factory

- BuildRequire pkgconfig(systemd) and pkgconfig(libsystemd) in
  place of systemd and systemd-devel: Allow OBS to optimize the
  workload by allowing the usage of the 'build-optimized' systemd
  packages.

The build failure seen in my branch is unrelated to this change!

OBS-URL: https://build.opensuse.org/request/show/590371
OBS-URL: https://build.opensuse.org/package/show/network:samba:STABLE/samba?expand=0&rev=594

samba.spec

@@ -149,8 +149,8 @@ BuildRequires:  libxslt-tools
 %if 0%{?suse_version} > 1220
 BuildRequires:  libavahi-devel
 # To only BuildRequire systemd-rpm-macros leads to broken binaries
-BuildRequires:  systemd
-BuildRequires:  systemd-devel
+BuildRequires:  pkgconfig(systemd)
+BuildRequires:  pkgconfig(libsystemd)
 %endif
 %if 0%{?build_ctdb_pmda}
 BuildRequires:  libpcp-devel