Localization error in et locale (week header)

[gw128]

weekHeader: 'Sm' is incorrect.

according to Estonian dictionary it should be

weekHeader: 'näd'

Here is abbr. list (search for nädal (week)) on Institute of Estonian Language web:

​http://www.eki.ee/dict/qs/lyhendid.html

[Richard D. Worth]

Corrected week header for et locale. Fixed #8129 - Localization error in et locale (week header)

Changeset: fa40c352af59258362d17e2f1e8642343b1ae3c0

[Richard D. Worth]

Corrected week header for et locale. Fixed #8129 - Localization error in et locale (week header) (cherry picked from commit fa40c352af59258362d17e2f1e8642343b1ae3c0)

Changeset: 35e291937591326fdc909f88eb948272c98edf39