11210 libm should be cstyle(1ONBLD) clean

*** 20,41 ****
   */
  
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #pragma weak __copysign = copysign
  
  #include "libm.h"
  
  double
! copysign(double x, double y) {
          int hx, hy;
  
!         hx = ((int *) &x)[HIWORD];
!         hy = ((int *) &y)[HIWORD];
!         return (hx ^ hy) >= 0 ?  (x) : (-x);
  }
--- 20,43 ----
   */
  
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
+ 
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #pragma weak __copysign = copysign
  
  #include "libm.h"
  
  double
! copysign(double x, double y)
! {
          int hx, hy;
  
!         hx = ((int *)&x)[HIWORD];
!         hy = ((int *)&y)[HIWORD];
!         return ((hx ^ hy) >= 0 ? (x) : (-x));
  }