windows: hoist expand_glob() back into util.py
The windows version of expand_glob() requires patkind(). To
avoid a circular dependency, move function back into util.py.
#!/bin/sh
rm -rf a
hg init a
cd a
echo a > a
hg ci -Am0
hg tag t1 # 1
hg tag --remove t1 # 2
hg co 1
hg tag -r0 t1
hg tags