Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  4273244738f104c17c5895c25def0b99058faf8d

Undrop workflow_definition_id

It should be dropped in patch 115576.  Since we still keep referencing
workflow_definition_id in the code, dropping it would cause sql errors.

Change-Id: Id2ca446bcce243e575efd9d6448bd7cb63baeeb9