in sgbm makefile, removed iio tmpnam warnings and removed -static flag
in sgbm makefile, removed iio tmpnam warnings and removed -static flag

It caused a linking error on OSX:
http://stackoverflow.com/questions/844819/how-to-static-link-on-os-x/846194#846194

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