Use the new name for the sudoers file in postinst
Use the new name for the sudoers file in postinst

This fixes the mistake introduced in 2c5259dfaf4a06524cfed192dea059424c292d53.

libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar