make test-acl a bit more digestable for windows

tests/test-acl

@@ -26,7 +26,7 b' mkdir foo foo/Bar quux'
 echo 'in foo' > foo/file.txt
 echo 'in foo/Bar' > foo/Bar/file.txt
 echo 'in quux' > quux/file.py
-hg add
+hg add -q
 hg ci -m 'add files' -d '1000000 0'
 echo >> foo/file.txt
 hg ci -m 'change foo/file' -d '1000001 0'

tests/test-acl.out

@@ -1,6 +1,3 b''
-adding foo/Bar/file.txt
-adding foo/file.txt
-adding quux/file.py
 3:911600dab2ae
 requesting all changes
 adding changesets