loongson/pypi: links for msgcheck

loongson/mirror msgcheck-4.1.0-py3-none-any.whl
loongson/mirror msgcheck-4.0.0.tar.gz
loongson/mirror msgcheck-4.0.0-py3.9.egg
loongson/mirror msgcheck-4.0.0-py3-none-any.whl
loongson/mirror msgcheck-3.1.tar.gz
loongson/mirror msgcheck-3.1-py3-none-any.whl
loongson/mirror msgcheck-3.0.tar.gz
loongson/mirror msgcheck-3.0-py2-none-any.whl
loongson/mirror msgcheck-2.9.tar.gz
loongson/mirror msgcheck-2.8.tar.gz
loongson/mirror msgcheck-2.7.tar.gz
loongson/mirror msgcheck-2.6.tar.gz