Updated mediawiki/extensions
Project: mediawiki/extensions/MathSearch  c99b2d731db3d7992be9f82abb78ea5f4054f54e

Fix: Counter in math indexing script

The couter that assigns subsequent equations numbers was
not increased. Therefore all equations got the number 0.

Change-Id: If6062570dde3d1145d716f7117dd9345682e34c9