Martin von Zweigbergk <martinvonz@google.com> [Tue, 28 Apr 2015 10:19:42 -0700] rev 24899
changegroup: rename 'mf' to 'ml' to match 'cl', since it's a revlog
The 'mf' variable is a manifest revlog, not a manifest, so let's
rename it accordingly. We already call the changelog variable 'cl', so
'ml' seems appropriate.