always buildrequire perl-macros if not present, move %perl_requires behind buildroot (script commit)

OBS-URL: https://build.opensuse.org/package/show/devel:languages:perl/perl-HTML-Tagset?expand=0&rev=9

perl-HTML-Tagset.spec

@@ -21,7 +21,6 @@
 Name:           perl-HTML-Tagset
 Version:        3.20
 Release:        52
-%{perl_requires}
 AutoReqProv:    on
 Group:          Development/Libraries/Perl
 License:        Artistic
@@ -29,6 +28,7 @@ Url:            http://cpan.org/modules/by-module/HTML/
 Summary:        Data Tables Useful for Dealing with HTML
 Source:         HTML-Tagset-%{version}.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+%{perl_requires}
 BuildRequires:  perl perl-macros
 
 %description