[Bug 706719] Quote autogen.sh arguments when passing to autogen_options

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=706719
  GStreamer | common | git

--- Comment #14 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-09-03 21:41:43 UTC ---
I'd like to either fix it, or WONTFIX it :)

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