tests: fix config knob in test-narrow-clone-stream.t
Two patches landed in parallel and had a semantic conflict. This
resolves the mess and leaves us with passing tests.
Differential Revision: https://phab.mercurial-scm.org/D5231
#require serve
$ hg clone http://localhost:$HGPORT/ copy
abort: * (glob)
[255]
$ test -d copy
[1]
$ "$PYTHON" "$TESTDIR/dumbhttp.py" -p $HGPORT --pid dumb.pid
$ cat dumb.pid >> $DAEMON_PIDS
$ hg clone http://localhost:$HGPORT/foo copy2
abort: HTTP Error 404: * (glob)
[255]
$ killdaemons.py