fix loadcaffe_wrapper to work again in CPU mode
fix loadcaffe_wrapper to work again in CPU mode

PaniniGelato/neural-style,neilpanchal/neural-style,VaKonS/neural-style,jcjohnson/neural-style,napsternxg/neural-style,zerolocker/neural-style,shenyunhang/neural-style,n1ckfg/neural-style,zerolocker/neural-style,waythe/neural-style,ksemianov/neural-style