5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>

*** 56,71 ****
  / -x ** y (an integer) is (-1)**(y) * (+x)**(y)
  / x ** y (x negative & y not integer) is NaN (i flag)
  
  #include "libm.h"
  LIBM_ANSI_PRAGMA_WEAK(powf,function)
- #include "libm_synonyms.h"
  #include "libm_protos.h"
  #include "xpg6.h"
  
- #undef fabs
- 
          .data
          .align  4
  negzero:
          .float  -0.0
  half:
--- 56,68 ----