Translate charmap aliases in libc.

$ locale
LANG=C
LC_CTYPE=C
LC_NUMERIC=C
LC_TIME=C
LC_COLLATE=C
LC_MONETARY=C
LC_MESSAGES=C
LC_ALL=C
$ LD_LIBRARY_PATH=~/ws/il11615/proto/root_i386/lib LC_ALL=en_US.utf8 locale
LANG=C
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_ALL=en_US.utf8
$ LD_LIBRARY_PATH=~/ws/il11615/proto/root_i386/lib LC_ALL=ru_RU.utf8 date
11 сентября 2019 г., 03:06:23 MSK