Fix braindamage in repo.changes

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Fix braindamage in repo.changes

manifest hash: d34a5d36fde0ecb444ea3a5b156bea0bff51554d
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mercurial/hg.py

@@ -711,8 +711,8 b' class localrepository:'
                     # do a full compare of any files that might have changed
                     change = self.changelog.read(self.dirstate.parents()[0])
                     mf1 = self.manifest.read(change[0])
-                    for f in lookup:
-                        if fcmp(f, mf):
+                    for f in l:
+                        if fcmp(f, mf1):
                             c.append(f)
                 return (c, a, d, u)