[FIX] files plugin: Change show_parentName in the gallery info according to the plugin parameters so the header row gets rendered correctly. Should fix wish4525 a bit more? Thanks Geoff

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@47139 b456876b-0849-0410-b77d-98878d47e9d5