Fix reStructuredText table markup of lu_solve's document
@@ -126,6 +126,7 @@ def lu_solve(lu_and_piv, b, trans=0, overwrite_b=False, check_finite=True):
b (cupy.ndarray): The matrix with dimension ``(M,)`` or
``(M, N)``.
trans ({0, 1, 2}): Type of system to solve:
+
======== =========
trans system
======== =========
