fix grep in CUDA version detection to accomodate OSX's grep (and other grep that doesn't support \d extension)
fix grep in CUDA version detection to accomodate OSX's grep (and other grep that doesn't support \d extension)

gnina/gnina,gnina/gnina,CZCV/s-dilation-caffe,gnina/gnina,CZCV/s-dilation-caffe,gnina/gnina,tackgeun/caffe,CZCV/s-dilation-caffe,tackgeun/caffe,CZCV/s-dilation-caffe,gnina/gnina,gnina/gnina,tackgeun/caffe,tackgeun/caffe