Fix up RET instructions in sysdeps/i386/fpu

sysdeps/i386/fpu/s_fma.S

 /* Compute (X * Y) + Z as ternary operation.
    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, write to the Free
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
 #include <sysdep.h>
 
         .text
 ENTRY(__fma)
         fldl    4(%esp)         // x
         fmull   12(%esp)        // x * y
         fldl    20(%esp)        // z : x * y
         faddp                   // (x * y) + z
-        ret
+        NACLRET
 END(__fma)
 weak_alias (__fma, fma)