filelog: remove unused variable 'lkr'
It's used further down, but it's overwritten before, so it's
technically a dead assignment, but unnecessary nevertheless.
--- a/mercurial/revset.py Sat Jan 10 12:00:03 2015 -0500
+++ b/mercurial/revset.py Mon Jan 12 09:48:05 2015 -0800
@@ -805,7 +805,7 @@
lowesthead = None # cache for manifest content of all head revisions
fl = repo.file(f)
for fr in list(fl):
- lkr = rev = fl.linkrev(fr)
+ rev = fl.linkrev(fr)
if rev not in cl:
# changerev pointed in linkrev is filtered
# record it for post processing.