Broken deps need fixing

[Xavier Bachelot]

> perl-XML-Xerces:
>  - failed gcc-4.3 rebuild
>  - https://bugzilla.redhat.com/show_bug.cgi?id=434487
>  - version mismatch Xerces-C-2.8.0 vs XML-Xerces-2.7.0-0

This will need a compatibility package. Here's the review request :
https://bugzilla.redhat.com/show_bug.cgi?id=435125

Regards,
Xavier