#5687 li[0](complex float)

[Barton Willis]

OK--returns a proper rectangular form

(%i2) li[2](3.4+%i);

(%o2) 3.705729433650554*%i+1.34244629422426

Not okay, should be in rectangular form

(%i3) li[0](3.4+%i);

(%o3) (%i+3.4)/(-%i-2.4)