5261 libm should stop using synonyms.h

@@ -25,11 +25,11 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak cosl = __cosl
+#pragma weak __cosl = cosl
 
 /* INDENT OFF */
 /* cosl(x)
  * Table look-up algorithm by K.C. Ng, November, 1989.
  *

@@ -61,11 +61,10 @@
  *      computer TRIG(x) returns trig(x) nearly rounded.
  */
 /* INDENT ON */
 
 #include "libm.h"
-#include "libm_synonyms.h"
 #include "longdouble.h"
 
 #include <sys/isa_defs.h>
 
 long double