[FIX] installer: Duplicate sefurl trackeritem regex fixer schema as, in at least one tiki, it failed to run leading to tracker items all ending up with just 'item' as the link (thanks marclaporte)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46545 b456876b-0849-0410-b77d-98878d47e9d5