repo selfupdate: Fix _PostRepoUpgrade takes 2 arguments

Change-Id: I1cf9e0674ea366ddce96c949e0bc085e3452b25a
diff --git a/subcmds/sync.py b/subcmds/sync.py
index a7df7c8..7416f4c 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -538,7 +538,7 @@
     mp.PreSync()
 
     if opt.repo_upgraded:
-      _PostRepoUpgrade(self.manifest, opt)
+      _PostRepoUpgrade(self.manifest, quiet=opt.quiet)
 
     if not opt.local_only:
       mp.Sync_NetworkHalf(quiet=opt.quiet,
@@ -612,10 +612,10 @@
     if self.manifest.notice:
       print self.manifest.notice
 
-def _PostRepoUpgrade(manifest, opt):
+def _PostRepoUpgrade(manifest, quiet=False):
   wrapper = WrapperModule()
   if wrapper.NeedSetupGnuPG():
-    wrapper.SetupGnuPG(opt.quiet)
+    wrapper.SetupGnuPG(quiet)
   for project in manifest.projects.values():
     if project.Exists:
       project.PostRepoUpgrade()