Adapt backport to ipa-4-6 branch

in the 4-6 branch (supported on fedora 27) the fix is available in 389-ds-base 1.3.8.8.

freeipa.spec.in

@@ -78,7 +78,7 @@
 %global python3_ldap_version 2.4.37-4
 # Fix for "Installation fails: Replica Busy"
 # https://pagure.io/389-ds-base/issue/49818
-%global ds_version 1.4.0.16-1
+%global ds_version 1.3.8.8
 
 %endif
 
@@ -148,7 +148,7 @@ BuildRequires:  libini_config-devel
 BuildRequires:  cyrus-sasl-devel
 %if ! %{ONLY_CLIENT}
 # 1.3.3.9: DS_Sleep (https://fedorahosted.org/389/ticket/48005)
-BuildRequires:  389-ds-base-devel >= 1.3.3.9
+BuildRequires:  389-ds-base-devel >= %{ds_version}
 BuildRequires:  svrcore-devel
 %if 0%{?rhel}
 BuildRequires:  samba-devel >= 4.0.0
@@ -329,7 +329,7 @@ Requires: python2-ldap >= %{python2_ldap_version}
 # 1.3.7.9-1: https://bugzilla.redhat.com/show_bug.cgi?id=1459946
 #            https://bugzilla.redhat.com/show_bug.cgi?id=1511462
 #            https://bugzilla.redhat.com/show_bug.cgi?id=1514033
-Requires: 389-ds-base >= 1.3.7.9-1
+Requires: 389-ds-base >= %{ds_version}
 Requires: openldap-clients > 2.4.35-4
 Requires: nss >= 3.14.3-12.0
 Requires: nss-tools >= 3.14.3-12.0
@@ -377,7 +377,7 @@ Requires(pre): certmonger >= 0.79.5-1
 # 1.3.7.9-1: https://bugzilla.redhat.com/show_bug.cgi?id=1459946
 #            https://bugzilla.redhat.com/show_bug.cgi?id=1511462
 #            https://bugzilla.redhat.com/show_bug.cgi?id=1514033
-Requires(pre): 389-ds-base >= 1.3.7.9-1
+Requires(pre): 389-ds-base >= %{ds_version}
 Requires: fontawesome-fonts
 Requires: open-sans-fonts
 Requires: openssl