largefiles: avoid using 'lfiles' variable for two purposes

The variable 'lfiles' is first used for a set of the names of all the
large files. It is then overwritten with a tuple like the ones
returned from status(). To reduce confusion, let's create a separate
variable for the second use.

hgext/largefiles/reposetup.py

@@ -224,9 +224,10 b' def reposetup(ui, repo):'
                     normals = [[fn for fn in filelist
                                 if not lfutil.isstandin(fn)]
                                for filelist in result]
-                    lfiles = (modified, added, removed, missing, [], [], clean)
+                    lfstatus = (modified, added, removed, missing, [], [],
+                                clean)
                     result = [sorted(list1 + list2)
-                              for (list1, list2) in zip(normals, lfiles)]
+                              for (list1, list2) in zip(normals, lfstatus)]
                 else:
                     def toname(f):
                         if lfutil.isstandin(f):