multiples fixes to base2k, including svp to take into account column interleaving

base2k/src/ffi/svp.rs

@@ -39,8 +39,10 @@ unsafe extern "C" {
         module: *const MODULE,
         res: *const VEC_ZNX_DFT,
         res_size: u64,
+        res_cols: u64,
         ppol: *const SVP_PPOL,
         a: *const VEC_ZNX_DFT,
         a_size: u64,
+        a_cols: u64,
     );
 }