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 logf = __logf
+#pragma weak __logf = logf
 
 /*
  * Algorithm:
  *
  * Let y = x rounded to six significant bits.  Then for any choice