Updated mediawiki/extensions
Project: mediawiki/extensions/DataValues  38f7431da4f0eeb7c300fdb45f56a13e0e4ff374

(bug 44228) dataValues.util: Not using $.extend to set constructor

Setting the constructor in the inherit utility has to be done explicitly in order to be
compatibly with IE8.

Change-Id: Id3d931c5349c33d9df39920f24c40645c0b90710