5261 libm should stop using synonyms.h

@@ -25,12 +25,12 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma weak ceilf = __ceilf
-#pragma weak floorf = __floorf
+#pragma weak __ceilf = ceilf
+#pragma weak __floorf = floorf
 
 /* INDENT OFF */
 /*
  * ceilf(x)     return the biggest integral value (in float) below x
  * floorf(x)    return the least integral value (in float) above x