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.
   */
  
*** 31,45 ****
  #include "libm.h"
  
  static const float zero = 0.0f;
  
  float
! atanhf(float x) {
          int     ix;
  
          ix = *((int *)&x) & ~0x80000000;
          if (ix > 0x3f800000)    /* |x| > 1 or x is nan */
                  return ((x * zero) / zero);
          if (ix == 0x3f800000)   /* |x| == 1 */
                  return (x / zero);
          return ((float)atanh((double)x));
  }
--- 33,51 ----
  #include "libm.h"
  
  static const float zero = 0.0f;
  
  float
! atanhf(float x)
! {
          int ix;
  
          ix = *((int *)&x) & ~0x80000000;
+ 
          if (ix > 0x3f800000)            /* |x| > 1 or x is nan */
                  return ((x * zero) / zero);
+ 
          if (ix == 0x3f800000)           /* |x| == 1 */
                  return (x / zero);
+ 
          return ((float)atanh((double)x));
  }