Fix utest bug when INTERFACE64=1.
Fix utest bug when INTERFACE64=1.

buffer51/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,buffer51/OpenBLAS,buffer51/OpenBLAS,buffer51/OpenBLAS,kortschak/OpenBLAS,grisuthedragon/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,grisuthedragon/OpenBLAS,buffer51/OpenBLAS,xianyi/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,grisuthedragon/OpenBLAS,xianyi/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,kortschak/OpenBLAS,grisuthedragon/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,xianyi/OpenBLAS