Error when folder ends with a colon

[hellodword]

Version: miniserve 0.27.1

Steps to reproduce:

cd `mktemp -d`

mkdir http:

touch http\:/foo.txt

docker run --rm -it -v `pwd`:/tmp -p 8080:8080 svenstaro/miniserve /tmp

Try to visit http://127.0.0.1:8080/http:/ , will get the segment ended with invalid character error.