treemanifest: fix bad argument order to treemanifestctx
Found by running tests with _treeinmem (both of them) modified to be
True.
--- a/mercurial/manifest.py Sun Oct 16 11:10:21 2016 -0700
+++ b/mercurial/manifest.py Mon Oct 17 16:12:12 2016 -0700
@@ -1386,7 +1386,7 @@
# Need to perform a slow delta
revlog = self._revlog
r0 = revlog.deltaparent(revlog.rev(self._node))
- m0 = treemanifestctx(revlog, revlog.node(r0), dir=self._dir).read()
+ m0 = treemanifestctx(revlog, self._dir, revlog.node(r0)).read()
m1 = self.read()
md = treemanifest(dir=self._dir)
for f, ((n0, fl0), (n1, fl1)) in m0.diff(m1).iteritems():