5261 libm should stop using synonyms.h

*** 26,36 ****
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include <sys/isa_defs.h>
- #include "libm_synonyms.h"
  #include "libm_inlines.h"
  
  #ifdef _LITTLE_ENDIAN
  #define HI(x)   *(1+(int*)x)
  #define LO(x)   *(unsigned*)x
--- 26,35 ----
*** 65,78 ****
   * Accuracy:
   *      Maximum error observed: less than 0.869 ulp after 1.000.000.000
   *      results.
   */
  
- #define sqrt __sqrt
- 
  extern double sqrt(double);
- 
  extern double fabs(double);
  
  static const int __vlibm_TBL_rhypot[] = {
  /* i = [0,127]
   * TBL[i] = 0x3ff00000 + *(int*)&(1.0 / *(double*)&(0x3ff0000000000000ULL + (i << 45))); */
--- 64,74 ----
*** 426,431 ****
  
                          *pz1 = res1;
                  }
          }
  }
- 
--- 422,426 ----