Fix argument in SLASET call to zero S
Fix argument in SLASET call to zero S

fixes #1859 in accordance with https://github.com/LAPACK-Reference/issue/296
xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS