Updated mediawiki/extensions
Project: mediawiki/extensions/Math  ffdd0f6c87db032e8ffc3a93c5bc526b07cf0926

Fix: Added details to error message

The detailed information about the error messeage provided by the MW
HTTP libraries has not been passed to the end-user output.

Change-Id: I9cac67d8fc3a732a87c14e922670253e82f64bbb