[sift] fixed missing -lm compiler option for sift_roi
[sift] fixed missing -lm compiler option for sift_roi

carlodef/s2p,mnhrdt/s2p,jmichel-otb/s2p,dyoussef/s2p,dyoussef/s2p,dyoussef/s2p,MISS3D/s2p,dyoussef/s2p,mnhrdt/s2p,jmichel-otb/s2p,MISS3D/s2p,MISS3D/s2p,jmichel-otb/s2p,jmichel-otb/s2p,carlodef/s2p,MISS3D/s2p