5261 libm should stop using synonyms.h

@@ -24,11 +24,11 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak remainder = __remainder
+#pragma weak __remainder = remainder
 
 /*
  * remainder(x,p)
  * Code originated from 4.3bsd.
  * Modified by K.C. Ng for SUN 4.0 libm.