avcodec/pngdec: fix signed overflow
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 18 Dec 2013 21:15:32 +0000 (22:15 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Wed, 18 Dec 2013 21:15:32 +0000 (22:15 +0100)
commitcb079b1b2bb1f7d0609ea7196090802a2788913a
tree4ab22de87f73eb6882f8318672005dd3902b601b
parent03a5c44faeceaf058ffe43c14d7d1a0d7c12da4c
avcodec/pngdec: fix signed overflow

fixes fate ftrapv failure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/pngdec.c