Bug#1013946: lintian: wrongly report unknown-locale-code ber

[Fabio Fantoni]

Package: lintian
Version: 2.115.1
Severity: normal

Hi, on a lintian output I saw:
W: xapps-common: unknown-locale-code ber [usr/share/locale/ber/]

but ber locale exists: 
https://www.loc.gov/standards/iso639-2/php/langcodes_name.php?code_ID=54