largefiles: replace 'ctx._repo' with 'ctx.repo()'

hgext/largefiles/lfutil.py

@@ -388,7 +388,7 b' def synclfdirstate(repo, lfdirstate, lfi'
         lfdirstate.drop(lfile)
 
 def markcommitted(orig, ctx, node):
-    repo = ctx._repo
+    repo = ctx.repo()
 
     orig(node)
 

hgext/largefiles/overrides.py

@@ -760,7 +760,7 b' def overriderevert(orig, ui, repo, *pats'
             # currently doesn't work correctly in that case, this match is
             # called, so the lfdirstate above may not be the correct one for
             # this invocation of match.
-            lfdirstate = lfutil.openlfdirstate(ctx._repo.ui, ctx._repo, False)
+            lfdirstate = lfutil.openlfdirstate(ctx.repo().ui, ctx.repo(), False)
 
             def tostandin(f):
                 if lfutil.standin(f) in ctx: