5261 libm should stop using synonyms.h

*** 27,41 ****
   */
  
          .file "rndintl.s"
  
  #include "libm.h"
! LIBM_ANSI_PRAGMA_WEAK(aintl,function)
! LIBM_ANSI_PRAGMA_WEAK(irintl,function)
! LIBM_ANSI_PRAGMA_WEAK(anintl,function)
! LIBM_ANSI_PRAGMA_WEAK(nintl,function)
! #include "libm_synonyms.h"
  #undef fabs
  
          ENTRY(aintl)
          movl    %esp,%eax
          subl    $8,%esp
--- 27,37 ----
   */
  
          .file "rndintl.s"
  
  #include "libm.h"
! 
  #undef fabs
  
          ENTRY(aintl)
          movl    %esp,%eax
          subl    $8,%esp