Updated mediawiki/extensions
Project: mediawiki/extensions/Vector  e2fcc80e9640ae679adfd5ac2d6989828a167df0

(bug 35340) Use SVG for Vector collapsible section arrow

SVG with fallback is used to allow SVG-capable browsers to use
hi-resolution graphics in a backwards compatible manner.

Change-Id: Icaccdb512916dfc079a023a8453f570ba8781dac