sift.c: fixes types
sift.c: fixes types
erexhepa/vlfeat,vlfeat/vlfeat,richarddzh/vlfeat,vlfeat/vlfeat,vlfeat/vlfeat,WangDequan/vlfeat,rxl194/vlfeat,vlfeat/vlfeat,mylxiaoyi/vlfeat,WangDequan/vlfeat,richarddzh/vlfeat,rxl194/vlfeat,mylxiaoyi/vlfeat,cvfish/vlfeat,hongzhili/vlfeat,j-bo/vlfeat,qubick/vlfeat,richarddzh/vlfeat,mylxiaoyi/vlfeat,qubick/vlfeat,CansenJIANG/vlfeat,mylxiaoyi/vlfeat,erexhepa/vlfeat,rxl194/vlfeat,hongzhili/vlfeat,richarddzh/vlfeat,vlfeat/vlfeat,qubick/vlfeat,WangDequan/vlfeat,hongzhili/vlfeat,erexhepa/vlfeat,CansenJIANG/vlfeat,CansenJIANG/vlfeat,vlfeat/vlfeat,WangDequan/vlfeat,rxl194/vlfeat,j-bo/vlfeat,mylxiaoyi/vlfeat,j-bo/vlfeat,erexhepa/vlfeat,cvfish/vlfeat,cvfish/vlfeat,cvfish/vlfeat,j-bo/vlfeat,j-bo/vlfeat,qubick/vlfeat,erexhepa/vlfeat,mylxiaoyi/vlfeat,CansenJIANG/vlfeat,richarddzh/vlfeat,hongzhili/vlfeat,cvfish/vlfeat,qubick/vlfeat,cvfish/vlfeat,richarddzh/vlfeat,WangDequan/vlfeat,hongzhili/vlfeat,WangDequan/vlfeat,erexhepa/vlfeat,CansenJIANG/vlfeat,CansenJIANG/vlfeat,hongzhili/vlfeat,rxl194/vlfeat,rxl194/vlfeat,qubick/vlfeat