liop.c: fixes a potential buffer overrun (this was very unlikely if not impossible to happen in practice) (closes #61)
liop.c: fixes a potential buffer overrun (this was very unlikely if not impossible to happen in practice) (closes #61)

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