news: Fix XML validation
news: Fix XML validation

The news schema requires two digits for both month and day in the date
attribute. s/2/02/ in the day value of date to fix the following
'make check' failure

2165) Checking ../docs/news.xml against ../news.rng                     ...
libvirt: XML Util error : XML document failed to validate against schema:
Unable to validate doc against /home/jfehlig/virt/upstream/libvirt/build/../docs/schemas/../news.rng
Element release failed to validate attributes

Signed-off-by: Jim Fehlig <39929b5b86d72d51fceac59b52303e3fe8a3083e@suse.com>

jardasgit/libvirt,olafhering/libvirt,crobinso/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jardasgit/libvirt,libvirt/libvirt,jardasgit/libvirt,zippy2/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,libvirt/libvirt,fabianfreyer/libvirt,zippy2/libvirt,jfehlig/libvirt,olafhering/libvirt,nertpinx/libvirt,zippy2/libvirt,jardasgit/libvirt,libvirt/libvirt,crobinso/libvirt,libvirt/libvirt,olafhering/libvirt,jfehlig/libvirt,crobinso/libvirt,crobinso/libvirt,jfehlig/libvirt,nertpinx/libvirt,olafhering/libvirt,nertpinx/libvirt,jardasgit/libvirt,zippy2/libvirt,fabianfreyer/libvirt,nertpinx/libvirt