render: Fix memory leaks in rendering.
authorBen Pfaff <blp@cs.stanford.edu>
Sun, 21 Feb 2016 05:21:06 +0000 (21:21 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Sun, 21 Feb 2016 05:21:06 +0000 (21:21 -0800)
References were being taken that should not have been.

Found by valgrind.
Reported by John Darrington.
Bug #47074.


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