update for tiff
This update of tiff fixed a heap-based buffer overflow vulnerability and an integer overflow issue.
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Submitted by
Petr Gajdos (pgajdos)
Fixed bugs
bnc#781995
libtiff: Heap-buffer overflow when processing a TIFF image with PixarLog Compression
bnc#787892
CVE-2012-4564: tiff: ppm2tiff missing return value check
