Also support 13.1 for now

OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=683

systemd.spec

@@ -1169,6 +1169,17 @@ else
   sed -ri 's@^([[:blank:]]+)(cmdline\[i\+\+\][[:blank:]]+=[[:blank:]]+"-l")(;)@\1/* \2 */\3@' src/fsck/fsck.c
 fi
 
+%if 0%{?suse_version} <= 1310
+#
+# Older versions like oS 13.1 do not distinguish between
+# network.target and network-online.target
+#
+for f in src/core/service.c src/insserv-generator/insserv-generator.c
+do
+  sed -ri '/"network",.*SPECIAL_NETWORK_ONLINE_TARGET,/{ s/SPECIAL_NETWORK_ONLINE_TARGET/SPECIAL_NETWORK_TARGET/}' $f
+done
+%endif
+
 %build
 cflags ()
 {