pidgin/pidgin

Fix broken `make check`.

2014-11-10, Elliott Sales de Andrade
b8fc1815b365
Fix broken `make check`.

One of the renamed files was not changed in POTFILES.skip.
[main]
host = https://www.transifex.com
[pidgin.pidgin_pot-for-development-branch]
file_filter = po/<lang>.po
source_file = po/pidgin.pot
source_lang = en