[PATCH] largefiles: cleanup some 1.9.x compat cruft

[Carter, Eli]

# HG changeset patch
# User Eli Carter <eli.carter at tektronix.com>
# Date 1319056623 18000
# Branch stable
# Node ID 2cf8bba79bb8d415adf4028d07305f8d418b3592
# Parent  663c8b643592b774689986c4ced5728ad191fcbf
largefiles: remove 1.9 compat code

diff -r 663c8b643592 -r 2cf8bba79bb8 hgext/largefiles/reposetup.py
--- a/hgext/largefiles/reposetup.py	Wed Oct 19 13:52:27 2011 -0500
+++ b/hgext/largefiles/reposetup.py	Wed Oct 19 15:37:03 2011 -0500
@@ -403,11 +403,7 @@
     def checkrequireslfiles(ui, repo, **kwargs):
         if 'largefiles' not in repo.requirements and lfutil.any_(
                 lfutil.shortname+'/' in f[0] for f in repo.store.datafiles()):
-            # workaround bug in Mercurial 1.9 whereby requirements is
-            # a list on newly-cloned repos
-            repo.requirements = set(repo.requirements)
-
-            repo.requirements |= set(['largefiles'])
+            repo.requirements.add('largefiles')
             repo._writerequirements()
 
     checkrequireslfiles(ui, repo)