Updated mediawiki/extensions
Project: mediawiki/extensions/PagedTiffHandler  16f21d1e63766bf5d0d48d658c46b64aa20d17d2

Fix getLongDesc if tif file is invalid or has invalid metadata

Previously it was displaying as (1) i.e. the value true cast to
a string surounded by parenthesis, which was rather odd. Most
sane thing to do (imho) is just use the generic getLongDesc
from the parent class.

Change-Id: I8c7c8874c1caa6637d51907c4053dc9c4ecf10e3