5261 libm should stop using synonyms.h

@@ -28,11 +28,10 @@
 
         .file "fmod.s"
 
 #include "libm.h"
 LIBM_ANSI_PRAGMA_WEAK(fmod,function)
-#include "libm_synonyms.h"
 #include "libm_protos.h"
 
         ENTRY(fmod)
         movl    16(%esp),%eax           / eax <-- hi_32(y)
         andl    $0x7fffffff,%eax        / eax <-- hi_32(|y|)