[libvirt] Sys::Virt deps

Hey folks, I am poking at Sys::Virt a little. Here's a patch to help with dependencies. Cheers, C.J. $ diff -u Sys-Virt-0.2.4/Makefile.PL Sys-Virt-0.2.4-cjac/Makefile.PL --- Sys-Virt-0.2.4/Makefile.PL 2010-05-19 11:56:18.000000000 +0000 +++ Sys-Virt-0.2.4-cjac/Makefile.PL 2010-05-26 00:55:05.000000000 +0000 @@ -16,6 +16,7 @@ 'VERSION_FROM' => 'lib/Sys/Virt.pm', 'PREREQ_PM' => { 'Test::More' => 0, + 'XML::XPath' => 0, }, 'AUTHOR' => 'Daniel Berrange <dan(a)berrange.com&gt;&#39;, 'LIBS' => [$LIBVIRT_LIBS],