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 log2 = __log2
+#pragma weak __log2 = log2
 
 /* INDENT OFF */
 /*
  * log2(x) = log(x)/log2
  *

@@ -86,11 +86,10 @@
  * shown.
  */
 /* INDENT ON */
 
 #include "libm.h"
-#include "libm_synonyms.h"
 #include "libm_protos.h"
 
 extern const double _TBL_log[];
 
 static const double P[] = {