Use standard macros for cross-distro compatibility

%_initddir is compatible accross RHEL/SLE12, so just use it

Change-Id: I3214c3ee2290b0102ada7fa6d152510e601a2420
Partial-Bug: #1488627

common/rpm/contrail-database.spec

@@ -118,10 +118,10 @@ popd
 install -D -m 755 %{_distropkgdir}/supervisord_contrail_database.initd          %{buildroot}%{_initddir}/supervisor-database
 %endif
 
-install -D -m 755 %{SOURCE1} %{buildroot}%{_sysconfdir}/rc.d/init.d/supervisor-database
+install -D -m 755 %{SOURCE1} %{buildroot}%{_initddir}/supervisor-database
 install -D -m 755 %{SOURCE2} %{buildroot}%{_sysconfdir}/contrail/supervisord_database.conf
-install -D -m 755 %{SOURCE3} %{buildroot}%{_sysconfdir}/rc.d/init.d/contrail-database
-install -D -m 755 %{SOURCE4} %{buildroot}%{_sysconfdir}/rc.d/init.d/kafka
+install -D -m 755 %{SOURCE3} %{buildroot}%{_initddir}/contrail-database
+install -D -m 755 %{SOURCE4} %{buildroot}%{_initddir}/kafka
 
 
 pushd %{buildroot}
@@ -187,9 +187,9 @@ fi
 %{_initddir}/supervisor-database
 %endif
 %doc
-%{_sysconfdir}/rc.d/init.d/contrail-database
-%{_sysconfdir}/rc.d/init.d/kafka
-%{_sysconfdir}/rc.d/init.d/supervisor-database
+%{_initddir}/contrail-database
+%{_initddir}/kafka
+%{_initddir}/supervisor-database
 %config(noreplace) %{_sysconfdir}/contrail/supervisord_database.conf
 
 %changelog

common/rpm/contrail-vrouter-init.spec

@@ -39,7 +39,7 @@ contrail vrouter init packages provides init files
 install -d -m 755 %{buildroot}%{_opt_bin}
 install -d -m 755 %{buildroot}%{_contrailetc}
 install -d -m 755 %{buildroot}%{_supervisordir}
-install -d -m 755 %{buildroot}/etc/rc.d/init.d
+install -d -m 755 %{buildroot}/%{_initddir}
 install -d -m 777 %{buildroot}/var/log/contrail
 pushd %{_builddir}/..
 install -p -m 644 %{_nodemgr_config}/contrail-vrouter-nodemgr.ini %{buildroot}%{_supervisordir}