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>

@@ -57,16 +57,13 @@
 / if x and y are finite and x**y = 0    _SVID_libm_err (underflow)
 / if x and y are finite and x**y = inf  _SVID_libm_err (overflow)
 
 #include "libm.h"
 LIBM_ANSI_PRAGMA_WEAK(pow,function)
-#include "libm_synonyms.h"
 #include "libm_protos.h"
 #include "xpg6.h"
 
-#undef fabs
-
         .data
         .align  4
 negzero:
         .float  -0.0
 one: