Ticket 48328 - Add missing dependency

Bug Description:
`host` utility is used in setup process to determine CNAME, but
389-ds-base rpm package doesn't depend on bind-utils, which contains it.

Fix Description:
Add missing dependency for bind-utils.

https://fedorahosted.org/389/ticket/48328

Reviewed by: [email protected] (Thanks!)

rpm/389-ds-base.spec.in

@@ -134,6 +134,9 @@ Requires(post):   systemd-units
 Requires(preun):  systemd-units
 Requires(postun): systemd-units
 
+# for setup-ds.pl
+Requires:         bind-utils
+
 # for setup-ds.pl to support ipv6 
 %if %{use_Socket6}
 Requires:         perl-Socket6