5261 libm should stop using synonyms.h

@@ -24,11 +24,11 @@
 /*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak sincosf = __sincosf
+#pragma weak __sincosf = sincosf
 
 /* INDENT OFF */
 /*
  * For |x| < pi/4, let z = x * x, and approximate sin(x) by
  *