follow packaging guidelines for requiring perl modules

libreoffice.spec

@@ -80,7 +80,7 @@ BuildRequires:  sane-backends-devel, libicu-devel, libXinerama-devel
 BuildRequires:  freetype-devel, gtk2-devel, desktop-file-utils, hyphen-devel
 BuildRequires:  evolution-data-server-devel, libtextcat-devel, nss-devel
 BuildRequires:  gstreamer-devel, gstreamer-plugins-base-devel, openssl-devel
-BuildRequires:  lpsolve-devel, bsh, lucene, lucene-contrib, perl-Archive-Zip
+BuildRequires:  lpsolve-devel, bsh, lucene, lucene-contrib, perl(Archive::Zip)
 BuildRequires:  mesa-libGLU-devel, redland-devel, ant, ant-apache-regexp, rsync
 BuildRequires:  jakarta-commons-codec, jakarta-commons-httpclient, cppunit-devel
 BuildRequires:  jakarta-commons-lang, poppler-devel, fontpackages-devel
@@ -90,7 +90,7 @@ BuildRequires:  font(:lang=en)
 BuildRequires:  hsqldb
 %else
 BuildRequires:  mdds-devel, mythes-devel, graphite2-devel, libwpg-devel
-BuildRequires:  libwps-devel, junit4, perl-Digest-MD5
+BuildRequires:  libwps-devel, junit4, perl(Digest::MD5)
 %endif
 %if %{undefined rhel}
 BuildRequires:  kdelibs4-devel