Fix typo in `utils/build-gnu.sh`
set -e
if test ! -d ../gnu; then
echo "Could not find ../gnu"
- echo "git clone https://github.com:coreutils/coreutils.git gnu"
+ echo "git clone https://github.com/coreutils/coreutils.git gnu"
exit 1
fi
if test ! -d ../gnulib; then
