Updated mediawiki/extensions
Project: mediawiki/extensions/Capiunto  9e01d18774161bcb9eb59cc718fe0d5a291d097b

Properly specify level for error calls

So that error messages contain the actual error source
and not Capiunto's code.
See also: http://www.lua.org/manual/5.1/manual.html#pdf-error

Bug: 69540
Change-Id: I2d315ea2d29dc70139add59862ee4a0f9f021fc9