Supress pygettext warning 'Seen unexpected token'.

Run pyfpdb/locale/localise.sh.  pygettext says warnings:
*** Aux_Hud.py:308: Seen unexpected token "%"
*** Aux_Hud.py:323: Seen unexpected token "+"
*** Hud.py:86: Seen unexpected token "+"
*** Hud.py:90: Seen unexpected token "+"
*** Hud.py:94: Seen unexpected token "+"
*** MergeToFpdb.py:663: Seen unexpected token "%"

This branch was fix it. (Don't use ngettext).