[PATCH] update math.3 for reality

The following patch updates math.3 to reflect the current
state of reality.

Index: msun/man/math.3
===================================================================
--- msun/man/math.3	(revision 2046)
+++ msun/man/math.3	(working copy)
_at__at_ -28,7 +28,7 _at__at_
 .\"	from: _at_(#)math.3	6.10 (Berkeley) 5/6/91
 .\" $FreeBSD: head/lib/msun/man/math.3 226460 2011-10-17 06:10:32Z das $
 .\"
-.Dd December 5, 2010
+.Dd December 7, 2017
 .Dt MATH 3
 .Os
 .Sh NAME
_at__at_ -235,12 +235,6 _at__at_
 .Vt long double
 values, were written for or imported into subsequent versions of FreeBSD.
 .Sh BUGS
-Some of the
-.Vt "long double"
-math functions in
-.St -isoC-99
-are not available.
-.Pp
 Many of the routines to compute transcendental functions produce
 inaccurate results in other than the default rounding mode.
 .Pp


-- 
Steve