11210 libm should be cstyle(1ONBLD) clean

*** 16,28 ****
--- 16,30 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ 
  /*
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   */
+ 
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
*** 33,49 ****
  #include "libm.h"
  
  static const double invpi = 0.3183098861837906715377675;
  
  double
! atan2pi(double y, double x) {
          int     ix, iy;
  
          if (x == 0.0 && y == 0.0) {
                  ix = ((int *)&x)[HIWORD];
                  iy = ((int *)&y)[HIWORD];
                  if (ix >= 0)
                          return (y);
!                 return ((iy >= 0)? 1.0 : -1.0);
          }
          return (atan2(y, x) * invpi);
  }
--- 35,55 ----
  #include "libm.h"
  
  static const double invpi = 0.3183098861837906715377675;
  
  double
! atan2pi(double y, double x)
! {
          int ix, iy;
  
          if (x == 0.0 && y == 0.0) {
                  ix = ((int *)&x)[HIWORD];
                  iy = ((int *)&y)[HIWORD];
+ 
                  if (ix >= 0)
                          return (y);
! 
!                 return ((iy >= 0) ? 1.0 : -1.0);
          }
+ 
          return (atan2(y, x) * invpi);
  }