5261 libm should stop using synonyms.h

*** 25,36 ****
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
! #pragma weak jnl = __jnl
! #pragma weak ynl = __ynl
  
  /*
   * floating point Bessel's function of the 1st and 2nd kind
   * of order n: jn(n,x),yn(n,x);
   *
--- 25,36 ----
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
! #pragma weak __jnl = jnl
! #pragma weak __ynl = ynl
  
  /*
   * floating point Bessel's function of the 1st and 2nd kind
   * of order n: jn(n,x),yn(n,x);
   *