i18n: fix coding tag unsupported by xgettext...
i18n: fix coding tag unsupported by xgettext
Running `make update-pot` currently fails with the following error:
xgettext: mercurial/metadata.py:1: Unknown encoding "utf8". Proceeding with ASCII instead.
xgettext: Non-ASCII string at mercurial/metadata.py:311.
Please specify the source encoding through --from-code or through a comment
as specified in
http://www.python.org/peps/pep-0263.html.
Differential Revision:
https://phab.mercurial-scm.org/D9260
