Handler::Releases: Fix 500 on /xml/releases.xml when VN has been deleted
Handler::Releases: Fix 500 on /xml/releases.xml when VN has been deleted

Releases for the requested VN will now not be listed. This fixes the VN
selector on character edit pages.

erengy/vndb,christian-roggia/vndb,morkt/vndb,morkt/vndb,christian-roggia/vndb,christian-roggia/vndb,morkt/vndb,morkt/vndb,erengy/vndb,morkt/vndb,erengy/vndb