Fix a bug in the AltiVec downsampling routines uncovered during additional testing with small image sizes.  Since the output width is half the input width, the downsampler should only read a second 16-byte chunk if there are more than 8 output columns left.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1499 632fc199-4ca6-4c93-a231-07263d6284db
1 file changed