[FIX] installer: Missing global (required in setup_base) in decode_pages_sources upgrade script

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46532 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Notice

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46535 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/11.x 46529 to 46535

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@46536 b456876b-0849-0410-b77d-98878d47e9d5