[Bug 738531] bootstrap: Install flex on OS X

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=738531
  GStreamer | cerbero | git

--- Comment #3 from Nirbheek Chauhan <nirbheek.chauhan at gmail.com> 2014-10-14 14:17:36 UTC ---
(In reply to comment #2)
> (From update of attachment 288519 [details])
> it should probably also be added for Windows bootstrap

I didn't add it there because bison wasn't, and those two usually go together.
Maybe both should be added?

-- 
Configure bugmail: https://bugzilla.gnome.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
You are the assignee for the bug.