Minor codding style fixes.

src/linalg/decompositions.rs

@@ -158,7 +158,6 @@ pub fn cholesky<N, V, VS, M>(m: &M) -> Result<M, &'static str>
         for j in i + 1 .. out.ncols() {
             out[(i, j)] = N::zero();
         }
-
     }
 
     return Ok(out);