#4311 integrate, atanh, facexp, facsum

[Richard Fateman]

integrate((batanh(cx)+a)/(e*x+d),x);

says... #0: facsum(_l=[-1,x]) (facexp.mac line 49)
-- an error. To debug this try: debugmode(true);
in maxima 5.47.0 in SBCL 2.3.2

[Richard Fateman]

mystery, fixed by repairing maxima.init to include proper file_search_... locations.