Don't modify index in im2col kernel loop
Don't modify index in im2col kernel loop

gnina/gnina,gnina/gnina,tackgeun/caffe,flickr/caffe,tackgeun/caffe,wangg12/caffe,xidianwlc/caffe,CZCV/s-dilation-caffe,xidianwlc/caffe,longjon/caffe,flickr/caffe,gogartom/caffe-textmaps,gogartom/caffe-textmaps,CZCV/s-dilation-caffe,CZCV/s-dilation-caffe,gogartom/caffe-textmaps,tackgeun/caffe,flickr/caffe,xidianwlc/caffe,wangg12/caffe,tackgeun/caffe,orentadmor/caffe,orentadmor/caffe,orentadmor/caffe,wangg12/caffe,longjon/caffe,gogartom/caffe-textmaps,longjon/caffe,xidianwlc/caffe,flickr/caffe,gnina/gnina,gnina/gnina,gnina/gnina,flickr/caffe,longjon/caffe,CZCV/s-dilation-caffe,gnina/gnina,orentadmor/caffe,wangg12/caffe