[Pkg-gmagick-im-team] Bug#832457: Bug#832457: Out-of-bounds read in coders/psd.c:797 ReadPSDChannelPixels

[Bastien ROUCARIES]

Fixed overflow in psd file handling


It fix psd file handling for corrupted file. This is partial fix.



Origin: upstream,
https://github.com/ImageMagick/ImageMagick/commit/6f1879d498bcc5cce12fe0c5decb8dbc0f608e5d
Bug-ubuntu: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1533442
Bug: https://github.com/ImageMagick/ImageMagick/issues/83