pidgin/pidgin

Fix signed/unsigned comparison warning.
release-2.x.y
2014-11-12, Elliott Sales de Andrade
a3fe30a2666b
Fix signed/unsigned comparison warning.

The test still works correctly without the fix, but this is quieter.
[main]
host = https://www.transifex.com
[pidgin.pidgin_pot-for-2_x_y]
file_filter = po/<lang>.po
source_file = po/pidgin.pot
source_lang = en