[Bug 735880] imagefreeze: replace with gst_buffer_copy

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=735880
  GStreamer | gst-plugins-good | unspecified

--- Comment #1 from Vineeth <vineeth.tm at samsung.com> 2014-09-02 11:53:35 UTC ---
Created an attachment (id=285130)
 View: https://bugzilla.gnome.org/attachment.cgi?id=285130
 Review: https://bugzilla.gnome.org/review?bug=735880&attachment=285130

proposed patch

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