Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  4049e351519e37caf55aa06fdabfc8c9981de4d1

Per its own documentation, make showMessage()'s wrap default to 'warning'

This was producing some lovely <visualeditor-savedialog-label-undefined>
garbage.

Change-Id: I0852fea9088738d9a93e25bd3b104b9aa07c256d