float.th: fixes a bug that was preventing the correct VSIZE to be set for DOUBLE
float.th: fixes a bug that was preventing the correct VSIZE to be set for DOUBLE

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