Makefile: adds support for Mac OS X 10.7
Makefile: adds support for Mac OS X 10.7

CansenJIANG/vlfeat,j-bo/vlfeat,erexhepa/vlfeat,CansenJIANG/vlfeat,WangDequan/vlfeat,rxl194/vlfeat,hongzhili/vlfeat,erexhepa/vlfeat,hongzhili/vlfeat,j-bo/vlfeat,richarddzh/vlfeat,WangDequan/vlfeat,WangDequan/vlfeat,j-bo/vlfeat,mylxiaoyi/vlfeat,rxl194/vlfeat,richarddzh/vlfeat,hongzhili/vlfeat,mylxiaoyi/vlfeat,CansenJIANG/vlfeat,richarddzh/vlfeat,rxl194/vlfeat,qubick/vlfeat,erexhepa/vlfeat,cvfish/vlfeat,mylxiaoyi/vlfeat,vlfeat/vlfeat,cvfish/vlfeat,qubick/vlfeat,richarddzh/vlfeat,richarddzh/vlfeat,rxl194/vlfeat,qubick/vlfeat,WangDequan/vlfeat,CansenJIANG/vlfeat,hongzhili/vlfeat,cvfish/vlfeat,cvfish/vlfeat,mylxiaoyi/vlfeat,cvfish/vlfeat,erexhepa/vlfeat,vlfeat/vlfeat,CansenJIANG/vlfeat,vlfeat/vlfeat,WangDequan/vlfeat,vlfeat/vlfeat,cvfish/vlfeat,j-bo/vlfeat,WangDequan/vlfeat,CansenJIANG/vlfeat,hongzhili/vlfeat,qubick/vlfeat,hongzhili/vlfeat,erexhepa/vlfeat,richarddzh/vlfeat,qubick/vlfeat,mylxiaoyi/vlfeat,vlfeat/vlfeat,erexhepa/vlfeat,rxl194/vlfeat,qubick/vlfeat,rxl194/vlfeat,vlfeat/vlfeat,j-bo/vlfeat,mylxiaoyi/vlfeat