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 scalbnl = __scalbnl
+#pragma weak __scalbnl = scalbnl
 
 #include "libm.h"
 #include <float.h>              /* LDBL_MAX, LDBL_MIN */
 #include <stdlib.h>             /* abs */