Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  7340ddf5398dc7b6adc2a4c63d732db23a45d5ab

i18n: Change "security text" to "confirmation code"

This is more consistent with the message returned from MW core:
"Incorrect or missing confirmation code."

Change-Id: I5fe5ae9aae074d2c7d8be75a69c39051539d2109