dirstate-entry: goes through the `dirstatetuple` constructor in all cases

We need to make sure we build an object.

Differential Revision: https://phab.mercurial-scm.org/D10950

mercurial/pure/parsers.py

@@ -425,7 +425,7 b' def parse_dirstate(dmap, copymap, st):'
         if b'\0' in f:
             f, c = f.split(b'\0')
             copymap[f] = c
-        dmap[f] = e[:4]
+        dmap[f] = dirstatetuple(*e[:4])
     return parents