histedit: make errror message translatable
This is a follow up patch to https://phab.mercurial-scm.org/D2394
As suggested by Yuya, this patch makes the error message translatable
Differential Revision: https://phab.mercurial-scm.org/D3031
FROM fedora:20
RUN yum install -y \
gcc \
gettext \
make \
python-devel \
python-docutils \
rpm-build
# For creating repo meta data
RUN yum install -y createrepo