Set the locale for one of the "pick" invocations to UTF-8, so we can decode the UTF-8 header correctly in the test.
Set the locale for one of the "pick" invocations to UTF-8, so we can decode
the UTF-8 header correctly in the test.

dscho/nmh,dscho/nmh,mcr/nmh,dscho/nmh,mcr/nmh,dscho/nmh