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 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
*** 38,48 ****
   * metic.  This is fine for sparc because we build libm in v8plus
   * mode.  It's also fine for sparcv9 and amd64.  For x86, it would
   * be better to use 32-bit code, but we have assembly for x86.
   */
  int
! __isnan(double x) {
          long long       llx;
  
          llx = *(long long *)&x & ~0x8000000000000000ull;
          return ((unsigned long long)(0x7ff0000000000000ll - llx) >> 63);
  }
--- 40,51 ----
   * metic.  This is fine for sparc because we build libm in v8plus
   * mode.  It's also fine for sparcv9 and amd64.  For x86, it would
   * be better to use 32-bit code, but we have assembly for x86.
   */
  int
! __isnan(double x)
! {
          long long llx;
  
          llx = *(long long *)&x & ~0x8000000000000000ull;
          return ((unsigned long long)(0x7ff0000000000000ll - llx) >> 63);
  }