filter-lamely: fix NameError because of forgotten fr module prefix

In repositories with annotated tags filter-lamely crashes with the
message: "NameError: name 'Reset' is not defined".

This is because of a missing "fr" module prefix in the code, which this
commit adds.

Signed-off-by: Marius Renner <marius@mariusrenner.de>

contrib/filter-repo-demos/filter-lamely

@@ -575,7 +575,7 @@ class UserInterfaceNightmare:
       return
 
     tag.skip()
-    reset = Reset(tag.ref, tag.from_ref)
+    reset = fr.Reset(tag.ref, tag.from_ref)
     self.filter.insert(reset, direct_insertion = False)
 
   def muck_stuff_up(self):