Pontoon: Update Frisian (fy-NL) localization of MDN
Pontoon: Update Frisian (fy-NL) localization of MDN

Localization authors:
- Fjoerfoks <fryskefirefox@gmail.com>

yfdyh000/kuma,SphinxKnight/kuma,escattone/kuma,jwhitlock/kuma,safwanrahman/kuma,jwhitlock/kuma,ollie314/kuma,Elchi3/kuma,yfdyh000/kuma,safwanrahman/kuma,yfdyh000/kuma,Elchi3/kuma,SphinxKnight/kuma,Elchi3/kuma,a2sheppy/kuma,safwanrahman/kuma,safwanrahman/kuma,mozilla/kuma,mozilla/kuma,safwanrahman/kuma,safwanrahman/kuma,SphinxKnight/kuma,jwhitlock/kuma,SphinxKnight/kuma,ollie314/kuma,a2sheppy/kuma,a2sheppy/kuma,jwhitlock/kuma,a2sheppy/kuma,Elchi3/kuma,ollie314/kuma,mozilla/kuma,mozilla/kuma,ollie314/kuma,Elchi3/kuma,jwhitlock/kuma,yfdyh000/kuma,yfdyh000/kuma,ollie314/kuma,ollie314/kuma,mozilla/kuma,yfdyh000/kuma,escattone/kuma,SphinxKnight/kuma,SphinxKnight/kuma,a2sheppy/kuma,escattone/kuma