patch to add C99 complex - 1/3

[Jeff Johnston]

  On 10/13/2010 06:44 PM, Howland Craig D (Craig) wrote:
> 2010-10-13  Craig Howland<howland@LGSInnovations.com>
>
> 	* libc/include/math.h:  Delete cabs() and cabs() prototypes
> 	(c.f. 2010-10-08 change by Corinna).
>
Patch checked in.

-- Jeff J.