Updated mediawiki/extensions
Project: mediawiki/extensions/Scribunto  47e826d0822dcaf398c9389c57b05b5e3c9cb17d

(bug 46405) Fix errors in mw.title.new( pageid )

mw.title.new( pageid ) should not throw an error for an nonexisting
pageid, just return nil. Similarly, it should always return nil for 0,
rather than returning the last non-existent title created.

Change-Id: I3cdbb24fc785aef0f8e75fba1feccd26ac5b7370