fixup! reftest: add init with space in windows test

tests/reftests/init.win32.test

@@ -4,7 +4,7 @@ N0REP0
 ### OPAMROOT="roots/with path"
 ### opam init --no-setup --bare --bypass-checks default REPO/
 No configuration file found, using built-in defaults.
-[NOTE] Your opam root path '${BASEDIR}/roots/with path' contains a space, we'll redirect to '/tmp/opamroot'
+[NOTE] Your opam root path '${BASEDIR}/roots/with path' contains a space, we'll redirect to 'C:\opamroot'
 
 <><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><>
 [default] Initialised